alkoxide

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  • Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. alkoxide. alk·ox·ide. noun \al-ˈkäk-ˌsīd, -səd\ Definition of ALKOXIDE : a basic salt derived from an alcohol by the replacement of the hydroxyl hydrogen with a metal. — “Alkoxide - Definition and More from the Free Merriam-Webster”, merriam-
  • Carboxylic acids undergo reactions to produce derivatives of the acid. The most common derivatives formed are esters, acid halides, acid anhydrides, and amides. Ester The alkoxide ion that forms assists with the displacement of the chloride ion or alkoxy group. — “Organic Chemistry II: Reactions of Carboxylic Acids - CliffsNotes”,
  • The method using silicon alkoxide as a raw material usually includes (i) hydrolysis and condensation process, in which the silicon alkoxide is hydrolyzed into silica hydrosol in the Hydrolysis of silicon alkoxide is carried out using water of, per 1. — “Silica - US 7101523”,
  • Disclosed is an aluminum tri-alkoxide compound represented by Formula I: Al(X)a(Y)b (I). — “Alcohol and glycol modified aluminum tri-alkoxide complexes”,
  • Sodium ethoxide - Wikipedia, the free encyclopedia - Sodium ethoxide is an alkoxide salt with the chemical formula C 2 H 5 ONa TutorVista. Reaction with metals. Alcohols and phenols react with metals such as sodium, potassium and aluminium to yield corresponding alkoxides and hydrogen. — “Alkoxide | TutorVista | Web”,
  • Please enable JavaScript to access the full features of the site or access our non-JavaScript page. Lithium-promoted hydrogenation of carbon dioxide to formates by heterobimetallic hydridozinc alkoxide clusters. — “Lithium-promoted hydrogenation of carbon dioxide to formates”,
  • Since we know that an amine (pKa of the conjugate acid ~ 10) is a weaker base than hydroxide or alkoxide ion (pKa of the conjugate acid ~ 16), it makes sense that an amine would also be a weaker nucleophile leave as the weak base alcohol (R'OH) rather than as the strong base alkoxide ion (R'O. — “Amine Reactions”, chemistry2.csudh.edu
  • An alkoxide is the conjugate base of an alcohol and therefore consists of an organic group bonded to a negatively charged oxygen atom. Enolates are unsaturated alkoxide derived by deprotonation of a C-H bond adjacent to a ketone or aldehyde. — “Alkoxide - Wikipedia, the free encyclopedia”,
  • A method of forming a tellurium alkoxide includes providing a tellurium halide and a non-tellurium alkoxide in a liquid organic solvent. The liquid organic solvent has less moles of alcohol, if any, than moles of tellurium halide in the liquid. — “Methods Of Forming A Tellurium Alkoxide And Methods Of”,
  • 4,6-Dihydroxypyrimidine: a selective bridging ligand for controlled Group IV metal alkoxide structures The generation of controlled metal alkoxide structures has been explored using 4,6-dihydroxypyrimidine (DHP-H2) as a selective bridging ligand. — “Dalton Transactions Articles”,
  • Department of Energy full-text technical reports in physics, chemistry, materials, biology, environmental cleanup, energy technologies and others An all alkoxide solution chemistry utilizing metal 2-methoxyethoxide complexes in 2-methoxyethanol was used to deposit thin-films of metal oxides. — “Information Bridge: DOE Scientific and Technical Information”, osti.gov
  • Green Catalysts, Inc is an eco-friendly, high performance catalyst company exclusively focused on the safe manufacture of alkoxide catalysts of the highest quality. — “Welcome to Green Catalysts, Inc”,
  • An alkoxide is the conjugate base of an alcohol and therefore consists of an organic group bonded to a negatively charged oxygen atom. Enolates are unsaturated alkoxide derived by deprotonation of a C-H bond adjacent to a ketone or aldehyde. — “Alkoxide: Encyclopedia of chemistry, ***ytics”,
  • 6. The coated particle of claim 3, wherein said powdered metal oxide particle is substantially completely covered by said metal .mu.-oxo alkoxide coating. 8. The coated particle of claim 3, wherein said powdered metal oxide particle is discontinuously covered by said metal .mu.-oxo alkoxide coating. — “Coated precursor powder for oxide ... - Google Patent Search”,
  • This page describes the reaction between alcohols and metallic sodium, and takes a very brief look at the properties of the alkoxide which is formed. Sodium ethoxide is known as an alkoxide. If the solution is evaporated carefully to dryness, the sodium ethoxide is left as a white solid. — “alcohols and sodium”,
  • alkoxide (chemical compound) It uses an alkoxide ion to attack an alkyl halide, substituting the alkoxy (−O−R) group for the halide. The alkyl halide must be unhindered (usually primary), or elimination will compete. — “alkoxide (chemical compound) -- Britannica Online Encyclopedia”,
  • alkoxide (plural alkoxides) (organic chemistry) Any organic compound derived from an alcohol by replacement of a hydrogen atom with a metal or other cationic species. [edit] Translations. alcohol-derived compound formed by replacing a hydrogen atom with another cationic species. — “alkoxide - Wiktionary”,
  • . — “Alkoxide | Chemical Compounds | The Dow | Manufacturer”,
  • An alkoxide is the conjugate base of an alcohol and therefore Since alkoxide ions are highly reactive, they are usually prepared. immediately prior to the reaction, or are generated in situ. — “alkoxide”,
  • The process of claim 66, wherein the metal alkoxide is selected from the group consisting of magnesium alkoxide, aluminium alkoxide, titanium The process of claim 80, wherein water is added to the metal alkoxide solution of step a) prior to mixing the solution in step c) with the. — “METAL OXIDE HYDROGELS AND HYDROSOLS, THEIR PREPARATION AND”,
  • Patent Abstract: The present invention relates to a process for preparing an optical waveguide component from acrylate/titanium alkoxide composite material, which is characterized by using an acid-free sol-gel process to prepare a precursor. — “Process for preparing an optical waveguide component from”, patentstorm.us
  • US3846385: PREPARATION OF SOLUTION POLYMERS USING A BARIUM DI-TERT ALKOXIDE AND A DI-BUTYL MAGNESIUM CATALYST COMPLEX Solution polymers and rubbers can be prepared from monomers using a new catalyst complex of barium di-tert-alkoxide and a di-butyl magnesium compound. — “PREPARATION OF SOLUTION POLYMERS USING A BARIUM DI-TERT”,

Images
related images for alkoxide

  • of PbTiO3 is still similar to SrTiO3 Figure 2 PT A mixed alkoxide liquid precursor was used to form epitaxial PbTiO3 thin films by spin coating on cubic 001 SrTiO3 substrates Figure 3 PT The films were heat treated at temperatures between 380ûC 1h and 800ûC 1h Scanning electron microscopy SEM observations show that the surface of the film is
  • The Mössbauer spectra recorded for IN55 700 HNO3 Figure 4 give Mössbauer parameters in the range for iron III oxides Table 1 25 26 Results for IN55 HNO3 are compatible with the presence of amorphous Fe2O3 in the sample In the
  • of precursor material but rather uses a conventional dip coating of a precursor bearing liquid which is subsequently dried and reacted A process schematic for the sol gel technique is shown in Exhibit 3 8 A gel solution containing precursors is prepared by mixing organic solutions of Ba alkoxide and Y alkoxide in 2 methoxy ethanol
  • Catalyst Model Details
  • Hughes et al have found that the formation of the ion pair 5 is very fast The formation of the oxyphosphonium intermediate 8 is slow and facilitated by the alkoxide Therefore the
  • and the aldehyde function would be lost along with a molecule of water Here is a mechanism that accomplishes those transformations thanks to Ahmed Malkawi for providing the graphic In step 2 we have not explicitly shown the protonation required to convert the alkoxide to an alcohol it is most likely accomplished by abstraction of a proton from a water molecule
  • Figure S2 click to extend
  • 3 Propose a mechanism for the following acid catalysed transformation The acid is a trace of concentrated sulphuric acid added to the methanol solvent Note It is possible to write a mechanism forming the hemiacetal or acetal first Such an answer is correct Note Answers in which an alkoxide ion is used to attack the carbonyl carbon
  • being capable of alkoxide exchange that is exchange of the optical antipodes of 4 one enantiomer of 4 is preferentially funnelled out via diastereomeric transition states 11 → 12
  • are preferred for pyroelectric devices Where both are cubic their lattice parameters are very similar at room temperature the a lattice parameter of PbTiO3 is still similar to SrTiO3 Figure 2 PT A mixed alkoxide liquid precursor was used to form epitaxial PbTiO3 thin films by spin coating on cubic 001 SrTiO3 substrates Figure 3 PT The films were heat treated
  • Material with pH Switchable Surface Charge Prepared by Sol gel Processing of an Organofunctional Silicon Alkoxide Chem Mater 2001 13 1124 1130 Abstract
  • t butoxide mol 20 Nov 2001 04 14 1 3K alkoxide htm 20 Nov 2001 12 37 1 2K NDA jpg 19 Dec 2001 13 37 18K injection jpg 19 Dec 2001 13 38 24K
  • Green Catalysts Logo A set of logo designs I created for a freelance project The client s business focused on alkoxide catalysts that are largely used in the production of biodiesel and wanted something that
  • Figure S3 click to extend
  • Ellipsoid
  • behavior of an anion exchanger modified electrode prepared by sol gel processing of an organofunctional silicon alkoxide Electrochim Acta 2004 49 573 Abstract
  • on the silicon alkoxide monomer or via a post reaction such as a hydrosilylation reaction Through covalent attachment of the reactive silicon alkoxides polymer polymer interfacial Figure 3 Covalent IPN Materials problems were hypothesized to be reduced However covalent IPN materials can have similar problems with the interface as the non covalent materials
  • of the lower temperature samples obtained in the presence of HNO3 are presented in Figure 7 Additionally micrographs obtained for IN1000 HNO3 IN1000 HCl and IN1000 NC are displayed in Figure 8 Images show large and porous agglomerates of smaller particles with no specific regular shape The EDS semi quantitative results obtained for IN55 HNO3 and IN1000 HNO3 Tables
  • Figure 1 2D structure of Ti2 OiPr 8 3 N CH2CH2NH2 3 2 ∞ with isolated Ti2 OiPr 8 molecules in the voids of the network Many titanium alkoxide derivatives are based on
  • not require alkoxide bases can be performed in neat alcohol or toluene as solvent An optically active benzylic alcohol underwent the reaction with complete retention of configuration see article for more examples
  • alkoxide htm 20 Nov 2001 12 37 1 2K NDA jpg 19 Dec 2001 13 37 18K injection jpg 19 Dec 2001 13 38 24K instrument jpg 19 Dec 2001 13 39 37K
  • The amide not only can be hydrolysed but also reduced to the aldehyde Lithium aluminium hydride alkoxide or to the
  • printer friendly Toward Applications of Ceramic Nanostructures upper left Scanning electron micrograph of bonelike carbonated apatite platelets produced at 300°C from a sol gel alkoxide system image by
  • upon treatment with sodium alkoxide at 180° is converted to epicoprostanol indicating that in the presence of alkali the stable isomer is the one bearing the equatorial alcoholic function This ***ogy is particularly attractive since behavior of dihydrothebainone X with rings B and C cis fused upon bromination also parallels that of coprostanone XIII and other steroids

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  • Aldol Condensation This video explains Aldol Condensation and the mechanism and conditions required for the reaction phase. This is a product of Mexus Education Pvt. Ltd., an education innovations company based in Mumbai, India. , http
  • Catalytic Strategies This course is part of a series taught by Kevin Ahern at Oregon State University on General Biochemistry. For more information about online courses go to ecampus.oregonstate.edu 1. Proteases catalyze the hydrolysis of peptide bonds in polypeptides. They are usually fairly specific for certain amino acids and cut at or near those amino acids. 2. Chymotrypsin is a protease whose activity has been closely studied. Conveniently, the activity of chymotrypsin can be studied using an artificial substrate which, when cleaved by the enzyme, releases a yellow product. 3. When the release of the colored substrate by the enzyme is studied, it appears to occur in two different rates. First there is a VERY rapid release of the colored substrate. After that initial burst of activity, the remaining yellow color is released slowly. 4. The reason appears to be that the reaction catalyzed occurs in two steps. The first step cleaves the bond to produce the yellow product. The product of this release is that the remainder of the substrate is covalently linked to the enzyme. In order for the enzyme to bind another substrate molecule and release more yellow color, it must first release the covalently bound molecule. This step occurs slowly and explains why subsequent yellow molecules are released slowly - after the initial one is released, the enzyme must remove the covalently bound molecule, bind a new substrate, and cut the substrate and the continue the process repeatedly. 5 ...
  • Nanox Coating (.br) The NANOX® technology for synthesizing nanomaterials has grown from a bottom-up method and more specifically from chemical synthesis methods. It uses both hydrolytic and non-hydrolytic chemical synthesis in its production processes. The hydrolytic methods are based on the hydrolysis of a halide, alkoxide or an inorganic metal salt, while the non-hydrolytic methods work using a chelating agent that operates in a solution to form compounds with the metal cations. Using its own technologies, NANOX® produces nanometric compounds with a controlled particle size and distribution, elevated homogeneity, controlled stoichiometry, at a low cost and on an industrial scale. Further, these processes allow materials with different characteristics to be made compatible, ie polar materials can be chemically transformed so as to incorporate or react with apolar materials, bringing about significant changes to the materials' properties. Thus, NANOX® creates atomic-scale materials, modeling the properties of the materials and surfaces, and can produce a range of amorphous and crystalline materials, including simple and mixed metal oxides, coatings, nanocompounds and materials for clean energy. Site: .br
  • GR! (Grignard Reagents) Here's our song for CHMB42, on reactions of carbonyl compounds with Grignard reagents! The original song is "Dare" by Gorillaz: Lyrics: Its reacting, its reacting Its reacting, its reacting Its reacting, its reacting GRGR You've got to form a GR You just add RX To Mg and ether, too While its dry, then The RX it complexes With the Mg And a good nucleophile you made Grignard reagent Ohhhhh React it with aldehyde React it with ketone GR Its reacting, its reacting Its reacting, its reacting Its reacting GR The alkyl group will attack The carbonyl Nucleophilic addition Forms alkoxide Then add water or acid Complex will split And oxygen is protonated Alcohol formed React it with aldehyde React it with ketone GR Its reacting, its reacting Its reacting, its reacting Its reacting GR Oh We want to make ROH Formaldehyde with Lots of GR to form Primary ones Other aldehydes and GR Form secondary ones And tertiary ones form from GR And ketones Add GR to CO2 No alcohol but Carboxylic acid Is obtained and Add GR to an ester Alkoxide leaves And GR will attack again Alcohol
  • Photoaddition Reactions This webcast explains how excitation promotes addition reactions in which elements add across carbon-oxygen or carbon-carbon double bonds.
  • #13 Biochemistry Catalytic Mechanisms II Lecture for Kevin Ahern's BB 450/550 Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School -
  • #31 Biochemistry Membrane Transport Lecture for Kevin Ahern's BB 451/551 Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School -
  • Review Session for Exam #2 for Kevin Ahern's BB 450/550 Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School -
  • CrackOChem_Alcohols - pt 1 Watch the entire video at ! Let CrackOChem be your personal Organic Chemistry video tutor. Each video lesson provides an easy, yet comprehensive approach made from the student perspective. We assume you have no prior knowledge in the field, and will guide you every step of the way. ------------------------------------------------------------------------------- About The Tutor Garrett is a Harvard graduate. While earning his doctorate from the Harvard School Of Dental Medicine, he was hired by the university to propose and develop educational videos to complement the curriculum. During this time he worked with instructors at the medical and dental school to produce video tutorials in the areas of neurobiology, cardiology, pharmacology, radiology and pre-clinical dental laboratory. However, Garrett's love for tutoring and helping students be able to understand complex subjects in a simple manner began with organic chemistry. He was initially told by his family, friends and instructors that organic chemistry would be the worst class he would ever take in college. Fortunately, with a lot of sweat, a few tears, and plenty of dry erase markers, Garrett was able to "crack the code" behind organic chemistry. In the process, he discovered a technique to teach ochem in a logical, straight forward manner, and the "CrackOChem" project was born. He spent the next several years developing this technique and passing it on to others through university organic chemistry ...
  • Cannizaro Reaction This topic explains Cannizaro Reaction, Reaction Mechanism, Crossed Cannizzaro Reaction, Cannizzaro Products with Formaldehyde and Intramolecular Cannizzaro Reaction. This is a product of Mexus Education Pvt. Ltd., an education innovations company based in Mumbai, India. , http
  • Like an Alpha Carbon The Alphas; Omar Shami, Karl Maritato, Jeremy Dilmore, Kellie Tagert,Josh Lewandowski, Mary Hanley and Charles Hunley I made it through the electron cloud Somehow I made it through Didn't know how lost I was Until I found you I was beat incomplete I'd been had, I was sad and blue But you made me feel Yeah, you made me feel Shiny and new --Chorus-- Like an alpha carbon Plucked for the very first time Like an alpha carbon With your electrons Next to mine Gonna give you all my electrons, boy My negative charge is fading fast Been saving it all for you 'Cause only a bond can last You're a carbonyl and your mine Make me strong, yeah you make me bold Oh your double bond broke Yeah, your double bond broke And now we are a tetrahedral alkoxide --Chorus-- Oooh, oooh, oooh You're so fine and you're mine I'll be yours to the end of time Cause you made me feel Yeah, you made me feel Nucleophilic Like an alpha carbon, ooh, ooh Like an alpha carbon Feels so good inside When you bond to me covalently and you love me Oh, oh, oh, oh, oh, oh, oh, oh, oh Ooh, baby Can't you feel my electrons For the very first time
  • Organic Chemistry: Alcohol Transformation Watch more at Other subjects include Biology, Chemistry, Physics, Algebra 1/2, Basic Math, Pre-Calculus, Geometry, Pre-Algebra, Calculus, Statistics, and Computer Science. -All lectures are broken down by individual topics -No more wasted time -Just search and jump directly to the answer
  • Ester Hydrolysis: A Music Video Warwick University 2nd Year Key Skills Youtube Assignment Group 7 Sze-yin Tan Marcus Taylor Michael Morgan Jenny Moore Lyrics (Ester Hydrolysis) Intro If you had an ester With an R-Carbonyl OR-Prime And you wanted an alcohol And a Carboxylic Acid Would you Hydrolyse it? Or just let it smell? First Verse Esters are used to fragrance and to flavour Like those apples you nicked from your next door neighbour Propyl Pentanoate gives pineapples its taste It gives a smell to those flowers in your mothers vase Its in Strawberries, Benzyl Acetate Its used in medicine, when you don't feel great They're in found in white tablets we call aspirin You take one a day to keep your blood thin Snap back to reality Esters in industry Saponification Posh name for soap making Esterification It's cleaning the nation Hard or Soft Soap Will clean you, I hope Extinguish that fire In your deep fat fryer Its easy to see Esters make you money Back to the lab again Oops I dropped that again Mop up that Halogen Don't get it on your skin Chorus Wear your coat, wear your gloves and your specs That way you cannot have any regrets Sodium Hydroxide can badly burn your skin Ethyl Benzoates Harmful IF you take it in... To your body, it would be terrible Beware diethyl ether is quite flammable Make sure you protect your skin and your eyes Use Sigma-Aldrich so there is no surprise Second Verse First task, into a round bottom flask Is to add NaOH, 2.4g in weight Some water and 30mmol Ethyl Benzoate Remember ...
  • Enzyme Mechanisms & Stereochemistry As chiral objects, enzymes have the ability to catalyze the formation of chiral, non-racemic products. They accomplish this by distinguishing enantiotopic or diastereotopic groups or faces. This is one reason why identifying topic relationships is so important!
  • SFCM_09_25: Hybrid sol-gel coatings Hybrid sol-gel coatings with self-healing properties for active corrosion protection of metal surfaces Antonia Jiménez-Morales Departamento de Ciencia e Ingeniería de Materiales - Universidad Carlos III De Madrid Protection of metallic surfaces against electrochemical corrosion is a research topic in which several disciplines converge. The knowledge of the alteration mechanism of a metal as well as the behaviour and properties of the protective coatings to be applied are addressing to obtain suitable multilayered systems that avoid corrosion advance. New concepts have to be considered in order to protect efficiently metallic surfaces: 1) active protection by means of coatings that work as a reagent respect to the metallic substrate, forming new stable compounds; 2) self-repairing coatings capable to form from their own expenses another inert compound that delay or avoid corrosion advance; 3) protective materials with low environmental impact during all the steps of coating production, application and service lifetime; and 4) simple and low-cost procedures for production of protective coatings. In this context sol-gel coatings based on siloxane bonded units were prepared starting from an organic-inorganic hybrid system. The precursors were an alkylalkoxide (γ-methacryloxypropyltrimethoxysilane, MAPTMS) and a silicon alkoxide (tetramethoxysilane, TMOS). Cerium nitrate hexahydrate in three different concentrations was added. Cerium salts can perform the wellknown chromium ...
  • Williamson Ether Synthesis This video outlines the Williamson Ether Synthesis mechanism using two very simple molecules.
  • MY KEY-TONE (Stereo Hearts Parody) - KMJ Productions CHMB42 - Extra Credit Project By: Kelly, Maitri, & Jenkin (KMJ) My Cyclohexanone Reacts for you, so listen close Trace my steps in lecture notes uh oh Make me learn in orgo Electrons move within your flow These reactions will work for you Just sing along and c'mon let's go! Oh Chemtastic Baby! If there were just some more random beakers on the shelves Will you flip them up and swirl them round till you mix them well Yo deprotonate them ketones, could you manage that OH jack them protons do it just like that Furthermore, I apologize for any broken glass 'Cause in aldo reactions the ketones play attack I bond to bond to bond to bond to carbon double that Cause electrophilic carbon is where it interacts If I can make this H2O to break off on demand If all the alpha beta products come out just as planned See carbonyl stretches in these bands, oh that's a clue Just learned how this aldo condensation reacts for you [Chorus] My Cyclohexanone Reacts for you, so listen close Trace my steps in lecture notes uh oh Make me learn in orgo Electrons move within your flow These reactions will work for you Just sing along and here we go! Oh oh oh oh gotta do orgo Oh oh oh oh so sing along with these chemicals Let's Go! If I got them 1,6-diesters give them thought Would your two carbonyls so meet up and go in stock Would you add enough base and won't let it stop Enolates form every alpha carbon proton you got And all I ask is you don't pull hair angrily When you have to do some Dieckmann ...
  • Synthesis of Alcohols via Reduction; Synthesize UA Drank J-Pain (Jordan Benjamin) demonstrates the synthesis of Alcohols. Ft. Key-tones (Natalie Stevens and Catie Bergman) **LYRICS** Alcoholic synthesis, 2 Steps, They Cant Do It All By Themselves Baby Girl What's Your Name Let Me Talk To You Let Me Buy You A Drink I'm J-Pain, You Know Me Orgo music nappy boy ohh wee I Know The Club Close At 3 Its chill baby I know chemistry Back To The lab Show You How I Live Lets synthesize Forget What We Did Synthesize You A Drank Imma Take a carbonyl I Got reagents In The tank Shawty Whachu Think Bout That Cuz im thinking bout a backside attack We In The Lab Like Ooh Ooh Ohh, Ooh Ooh We on The bench Like Ooh Ooh Ooh, Ooh Ooh OH Talk To Me, I Talk Back Lets Talk orgo baby, I talk that A nucleophilic Ace-tyl-ide Attack yo carbonyl On the back side Lets Get Ether Walk It Out (Walk It Out) An ideal solvent's What I'm Talkin Bout We Gone Have Fun You Gone See Make That Patron You Gon get with me Synthesize You A Drank Take You to the lab With Me I Got reagents in the tank Shawty Whachu Think Bout That Cuz im thinking bout a backside attack We In The Lab Like Ooh Ooh Ohh, Ooh Ooh We on The bench Like Ooh Ooh Ooh, Ooh Ooh -- OH [ Lyrics from: ] [Verse 3: Young Joc] Wont You Meet Me At The Bench Respect Chemical Seduction A Grignard reaction or a hydride reduction Reduce an alkyl halide Along that dunnitz-burgi Pick a reagent It's Mg For Me I'm Checkin Yo Body Language I Love this Conversation And When You fog yo goggles I Get A ...
  • Lecture - 11 Enzyme Mechanisms II Lecture Series on BioChemistry I by Prof.S.Dasgupta, Dept of Chemistry, IIT Kharagpur. For more details on NPTEl visit nptel.iitm.ac.in
  • Kevin Ahern's BB 450/550 Classroom Lecture #2 for June 28 Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu HOW-TO BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School - Check out this course at oregonstate.edu A lecture by Kevin Ahern describing mechanisms of catalytic action for chymotrypsin, serine proteases, cysteine proteases, metalloproteases, aspartyl-proteases, and carbonic anyhdrase.
  • [Lab 11] Sodium Metal - More Than Just a Flash in Water In this video, I show how sodium metal is used in the research lab to make alkoxides from alcohols.
  • Biochemistry Review Session #1 for Kevin Ahern's BB 450/550 Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School -
  • What Makes A Good Nucleophile (3) What makes a good nuceleophile? (3) The role of the steric bulk of the nucleophile. From []
  • The Grignard Reaction: Triphenylmethanol The Grignard reagent, phenylmagnesium bromide is prepared in sodium-dried ether from bromobenzene and magnesium turnings in a flame dried apparatus. Ethyl Benzoate is reacted with the resulting solution, which after workup gives triphenylmethanol (triphenylcarbinol, trityl alcohol) in 45.0% yield, mp 158-160C (lit 160-163C). The procedure is a slightly scaled up version of the procedure given here: www.bc.edu The intro music clip is from "Stealing Fat" by The Dust Brothers. I believe this falls under fair use.
  • Kevin Ahern's BB 450/550 Classroom Lecture #1 for June 28 Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu HOW-TO BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School - Check out this course at oregonstate.edu A lecture by Kevin Ahern describing mechanisms of catalytic action for chymotrypsin, serine proteases, cysteine proteases, metalloproteases, aspartyl-proteases, and carbonic anyhdrase.
  • Phosphodiesters: Phosphorus in Nucleic Acids Phosphodiesters are much more stable to hydrolysis than the corresponding monoesters. Learn more about these life-critical functional groups in this webcast.
  • Williamson Ether Synthesis Using 1-bromobutane and Potassium tert-butoxide In this video the product of the reaction of 1-bromobutane and potassium tert-butoxide is outlined in ACE Organic. Williamson ether synthesis is a common method to synthesize ethers from alkyl halides and alkoxides.
  • 34. Sharpless Oxidation Catalysts and the Conformation of Cycloalkanes Freshman Organic Chemistry (CHEM 125) Professor Barry Sharpless of Scripps describes the Nobel prize-winning development of titanium-based catalysts for stereoselective oxidation, the mechanism of their reactions, and their use in preparing esomeprazole. Conformational energy of cyclic alkanes illustrates the use of molecular mechanics. 00:00 - Chapter 1. Introduction for Professor Barry Sharpless 02:52 - Chapter 2. The Reactivity of Allyic Alcohols and Vanadium-Catalyzed Epoxidations 11:44 - Chapter 3. Research with Katsuki and the Discovery of Combining Titanium with Tartaric Acid 21:10 - Chapter 4. The Mechanism for Asymmetric Epoxidation of Olefins and the Story of Nexium 41:05 - Chapter 5. The Conformation of Rings: Carvone and Cyclohexane Complete course materials are available at the Open Yale Courses website: open.yale.edu This course was recorded in Fall 2008.
  • Livin La Aldol Loca Alison Bartczak, Alysse Kowalski, Oscar Santiesteban, Kristyn Feldman, Ally Cour We've got this mechanism Ketones and Aldehydes The aldol condensation Makes systems of hydroxides Two down from the carbonyl The alcohol does lie You can build carbon structures In lab all day and night It makes you lose a proton By dancing with a base It makes you try to stabilize Into an enolate At a catalytic pace! Come on! Chorus: Upside, inside out. Livin' la aldol loca! Electrons in and out. Livin' la aldol loca! We make new carbon bonds By nucleophile addition It will wear you out , livin la aldol loca! Livin la aldol loca! Woke up a tetrahedral It's a very stable form This alkoxide intermediate Makes me feel fuzzy and warm Oxygen is protonated Alcohol is formed The carbons are all joined together The base can be reborn The reaction goes once more. Come on! Chorus We're into condensation And new tricks for alcohols Spontaneous dehydration The synthesis is done You've made a double bond! Come on!
  • #11 BB 350 Enzymes 4 - Kevin Ahern's Biochemistry Online Get my NEW BOOK - "Kevin and Indira's Guide to Getting Into Medical School" at Contact me at kgahern@ Download my new free biochemistry book at biochem.science.oregonstate.edu Check out all of my course videos at Check out all of my workshops at Check out my Metabolic Melodies at My courses can be taken for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu Check out my free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School - Highlights Enzymes 4 1. The Concerted Model says that enzymes exist in two forms - R (relaxed) and T (tight). The R form is more active and the T form is less active. The Concerted Model postulates that all subunits of an enzyme convert R to T or T to R freely and that the R form of the enzyme is stabilized by binding a positive effector. Conversely, the Concerted Model says that the T form is stabilized by binding of aa negative effector. 2. The Sequential Model of explaining allosterism states that binding of a substrates is what CAUSES conversion of T to R or R to T forms of the enzyme. This is brought about as a result of the Induced Fit of the enzyme to the substrate. The induced fit brings about changes in the structure of the subunit to which the substrate is bound ...
  • Perkin's Reaction This topic explains the reaction mechanism of Perkin's reaction. This is a product of Mexus Education Pvt. Ltd., an education innovations company based in Mumbai, India. , http
  • Kevin Ahern's Bite-Sized Biochemistry #12: Catalytic Mechanisms Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu HOW-TO BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School - Check out this course at oregonstate.edu Related courses include BB 350 - oregonstate.edu BB 451 - oregonstate.edu BB 100 - oregonstate.edu Highlights Enzymes 1.Chemicals, such as DIPF and iodoacetate, covalently (and irreversibly) bind to the side chains of specific amino acids (serine and cysteine, respectively) and if these side chains are essential for the catalytic action of the enzyme, the enzyme will not catalyze reactions after being treated with these chemicals. 2. Penicillin is a substance that resembles the substrate of an enzyme in bacteria that helps make the bacterial cell wall. When it binds to the enzyme, it inactivates the enzyme by covalently bonding to the active site. An inhibitor of this type is known as a suicide inhibitor. Highlights Catalytic Mechanisms 1. Proteases catalyze the hydrolysis of peptide ...
  • Aluminum Isopropoxide Al(Oi-Pr)3 or Aluminum Isopropoxide is an alkoxide useful in organic synthesis. It is used as a reducing agent in the MPV reaction and to oxidize alcohols to keytones in the Oppenauer oxidation. First the iodine reacts with the water to form hydrogen ions, hypoiodite ions and iodite ions....
  • #12 Biochemistry Catalytic Mechanisms I Lecture for Kevin Ahern's BB 450/550 Contact me at kgahern@ - My books are below. FREE BIOCHEMISTRY BOOK - biochem.science.oregonstate.edu BOOK FOR PRE-MEDS - "Kevin and Indira's Guide to Getting Into Medical School" - My Course Videos - My Workshops - My Metabolic Melodies - TAKE MY COURSES for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu My free iTunes courses for your iPad or iPhone Biochemistry for Pre-Meds - Elementary Biochemistry - Kevin & Indira's Guide to Getting Into Medical School -
  • How to use ACD ChemSketch, Tutorial PLEASE WATCH IN HIGH QUALITY. A quick and easy guide to using Chem Sketch
  • alcohol flow (organic chemistry informative rap) a project for a class - something fun & creative...it gives a few details about some organic chemistry reactions involving alcohol. the lyrics are on the slides but i will list them below so you dont have to keep pausing it if its too fast. let me know if you guys like it. thanks There are four alcohol reactions you should know; Alkoxides, haloalkanes, alkenes, & ketones; Okay, don't forget about them crazy aldehydes; They look just like ketones in a hydrogen disguise; First one, de-protonate, using a strong base; To get an alkoxide and H2 gas in its place; Use a strong base like butyllithium; Reactivity gets higher with lower substitution; Or alcohol makes alkyloxonium ions Especially if you use an acid that is strong Primary alcohols result in Sn2; But only when there's a really really good leaving group; Secondary/Tertiary alcohols result in positively charged carbocations; Oopsie, my fly's down, let me pull it up; Now I need a refill of OH up in my red cup; 3rd reaction's carbocation rearrangement; Products look so different, you would think they got a facelift; U think u so confused, you think u stuck in the Matrix; But don't freak out, Garg will help you get your A, kid; Alkane to alkene, sigma to pi; After a little studying, don't you worry about this guy; Up next is our fourth and final one; Alcohol to make an ester reaction; Alcohols react with C, double O, H; This allows esterification to take place; What else is needed? Some H+; Get that from a strong inorganic ...

Blogs & Forum
blogs and forums about alkoxide

  • “This leads me to believe that the reaction is as suspected – oxidation of the alkoxide by some trace oxidant. Just metal alkoxide oxidation mediated by O2 adsorbed on to solid NaH”
    — " Blog Archive " NaH as an Oxidant,

  • “Forum Index -> Theoretical Questions. View previous topic :: View next Are you following a procedure or did you decide to add the triflate to the alkoxide?”
    — :: View topic - Sodium alkoxide/sodium triflate reaction?,

  • “For you scientists--Alcogels are made by polymerizing a silicon alkoxide (Si(OR)4, where the R is an alkyl group) with water in a and water condensation, joining together the alkoxide molecules making silicon-oxygen bonds to form”
    — "Frozen Smoke" Will Change the World, page 2,

  • “Sol-Gel Gateway Forum>Sol-Gel Forum>Chemistry. Topic: alkoxide( Topic Closed) Author. Message. ajitianu. Newbie. Joined: 09 December edit your posts in this forum. You cannot create polls in this forum. You cannot vote in polls in this forum”
    — Sol-Gel Gateway Forum: alkoxide,

  • “Chemistry World blog - Olive oil or ibuprofen? Chemistry World blog - My Chemical Romance Sodium alkoxide [12 hours ago] Chemical Forums - Organic (Undergraduate) - Why are there”
    — Chemistry Blog " 2007 " June " 19, chemistry-

  • “3 , http:///_F3D4EEAQD4FIFEYKGSP42CNE3U/blog/articles/227413 whole The Chronicles of Narnia: The Voyage of the Dawn Treader film , alkoxide http:///member.php?u=54137 1322400608 va idetic http:///forum/index”
    — Russian Association for Engineering Education. Forum,

  • “Our site offers content of interest to pharmaceutical chemistry patent practitioners including descriptions of name reactions and patent law case briefs. The reaction is performed under basic conditions, usually using the alkoxide form of the alcohol component of the ester to avoid transesterification”
    — Claisen Condensation, blog.para-

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