Alkoxide - Study guides, Class notes & Summaries

deprotonating an alcoholdeprotonation of an alcohol to generate the alkoxide requires a strong base NaH OR Na/K/Li metal protonating an alkoxideEtOH, MeOH, H2O, H3O+ strong nucleophile / weak baseCl- / Br- / ICNNaSH KCH3COO strong nucleo

O-H and N-H IR shift - 3400 cm⁻¹ C-H SP³ IR shift - cm⁻¹ C-H SP₂ IR shift - cm⁻¹ C-H SP IR Shift - 3300 cm⁻¹ 3x bond C-C IR shift - 2100 cm⁻¹ C=O IR shift - 1700 cm⁻¹ C=C and C-C aromatic IR shift - 1600 cm⁻¹ Aromatic C-C IR shift - 1500 cm⁻¹ HNMR shift of methyl hydrogen - 1 ppm HNMR shift of hydrogen attached to SP2 carbon - 2 ppm HNMR shift of aromatic hydrogen - 7-8 ppm HNMR shift of hydrogen attached to SP3 carbon attached to a p...

ORGO UNIT 3 Exam Review Questions & Answers 2024 1 / 3 alkoxide Oxonium Alkyl Halide NaNH2, LDA, t-butoxide, NaH Deprotonating alc Protonating alc Synthesizing Alc with masked OH Dehydration reactions Dehydration with 1 prime alpha carbon 4 prime beta carbon Strong acid H2SO4 Weak base good Nu (Ex sodium acetate)

Chem 219 Unit 5 Exam Questions With 100% Correct Answers Generic formula for alcohols - answerR-OH phenol - answerhydroxy-substituted aromatic molecules (any compound with an -OH attached to a benzene ring) IUPAC system rules for naming organic alcohols - answer- organic alcohols are named by replacing the suffix of the parent chain of the molecule with the suffix -ol - The parent chain is numbered so as to give the hydroxyl group the lowest possible number. (examples: 1-propanol, and cy...

Chem 219 Unit 5 Exam Questions With 100% Correct Answers Generic formula for alcohols - answerR-OH phenol - answerhydroxy-substituted aromatic molecules (any compound with an -OH attached to a benzene ring) IUPAC system rules for naming organic alcohols - answer- organic alcohols are named by replacing the suffix of the parent chain of the molecule with the suffix -ol - The parent chain is numbered so as to give the hydroxyl group the lowest possible number. (examples: 1-propanol, and cy...

• Typical NMR chemical shift for methyl protons adjacent to a ketone 2.1-2.6 ppm • Level of solvent on a TLC plate Below the spots when first placed in the developing jar, and then it will eventually rise to the top past the spots Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Read More Column Chromatography Provides a method for the separation and isolation of individual components of a mixture •...

Chem 219 Unit 5 Exam Questions With 100% Correct Answers Generic formula for alcohols - answerR-OH phenol - answerhydroxy-substituted aromatic molecules (any compound with an -OH attached to a benzene ring) IUPAC system rules for naming organic alcohols - answer- organic alcohols are named by replacing the suffix of the parent chain of the molecule with the suffix -ol - The parent chain is numbered so as to give the hydroxyl group the lowest possible number. (examples: 1-propanol, and cy...

BB 450 Exam 2 Questions And Answers Chymotrypsin: - ANS-has an S1 pocket that determines specificity of protease action Attack by the alkoxide ion on the carbonyl carbon of the substrate of a serine protease causes - ANSWith respect to serine proteases, - ANS-a reaction intermediate is stabilized in the oxyanion hole The S1 pocket of serine proteases - ANS--is where the proper substrate binds -is near the catalytic triad determines which amino acid side chain is bound With respect to as...

Base-catalyzed formation of alkoxide/phenoxide 2. Nucleophilic substitution to form ether - CORRECT ANSWERS-What are the two mechanistic steps for the Williamson ether synthesis? 1-bromopentane, 1-bromo-3methylbutane, 1-bromobutane - CORRECT ANSWERS-What are the possible alkyl halide identities? 4-bromophenol - CORRECT ANSWERS-What was the starting material? Tetrabutylammonium bromide - CORRECT ANSWERS-What was the phase transfer catalyst in this reaction? Phase Transfer Catalyst - ...