Part I.a)Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco loneb) Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone(3,3-dimethyl-2-butanone) and 2, 3-dimethyl - 1,3-butadiene. Give reasonable mechanismthe formation ofthe productsFor

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Answered: Part I. a) Draw reaction mechanism for…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What would be a viable mechanism for the following reaction?
Please help me with the mechanism for what is described below: 1. Draw a mechanism for the reaction dscribed: The Wittig Reaction Reactants: NaOH, (4-picolyl)triphenylphosphonium chloride, dichloromethane, 4-pyridinecarboxaldehyde (also known as isonicotinaldehyde), HCl, Na2CO3 Final product: trans-4,4'-bpe
Give detailed Solution with explanation needed
Identify products A and B from the given 1H NMR data.a. Treatment of CH2 = CHCOCH3 with one equivalent of HCl forms compound A. A exhibits the following absorptions in its 1H NMR spectrum: 2.2 (singlet, 3 H), 3.05 (triplet, 2 H), and 3.6 (triplet, 2 H) ppm. What is the structure of A?b. Treatment of acetone [(CH3)2C = O] with dilute aqueous base forms B. Compound B exhibits four singlets in its 1H NMR spectrum at 1.3 (6 H), 2.2 (3 H), 2.5 (2 H), and 3.8 (1 H) ppm. What is the structure of B?
Identify products A and B from the given 1H NMR data. a.Treatment of CH2=CHCOCH3 with one equivalent of HCl forms compound A. A exhibits the following absorptions in its 1H NMR spectrum: 2.2 (singlet, 3 H), 3.05 (triplet, 2 H), and 3.6 (triplet, 2 H) ppm. What is the structure of A? b.Treatment of acetone [(CH3)2C=O] with dilute aqueous base forms B. Compound B exhibits four singlets in its 1H NMR spectrum at 1.3 (6 H), 2.2 (3 H), 2.5 (2 H), and 3.8 (1 H) ppm. What is the structure of B?
Reaction of p-cresol with two equivalents of 2-methylprop-1-ene affordsBHT, a preservative with molecular formula C15H24O. BHT gives thefollowing 1H NMR spectral data: 1.4 (singlet, 18 H), 2.27 (singlet, 3 H), 5.0(singlet, 1 H), and 7.0 (singlet, 2 H) ppm. What is the structure of BHT?Draw a stepwise mechanism illustrating how it is formed.
a) Draw the initial ENOL products for the two reactions below: Reaction 1: Reaction 2: CH3(CH₂)5C CH CH3(CH₂)5C CH HgSO4 H₂SO4(aq) 1) Sia₂BH 2) NaOH(aq), H₂O₂ ENOL 1 ENOL 2 b) Give a detailed mechanism illustrating how ENOL 1 rearranges to give the major product of Reaction 1. c) Give a detailed mechanism illustrating how ENOL 2 rearranges to give the major product of Reaction 2.
Galantamine, a natural product produced by the amaryllis family of flowering plants, has been used in the early treatment of Alzheimer's disease. In a synthesis of galantamine and related compounds (J. Org. Chem. 2015, 80, 1952-1956), compound 1 was converted into compound 2. Propose an efficient synthesis for the conversion of 1 to 2 A. NaOH MeO D. DMP or PCC G. HBr 1 MeO B. H₂SO4, H₂O, HgSO4 E. Na₂Cr₂O7, H₂SO4, H₂O H. 1) O3; 2) DMS H 2 x I. TsCl, py The conversion of 1 to 2 can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. C. 1) BH3-THF; 2) H₂O2, NaOH F.HBr, ROOR = MeO Ill. N Me Galanthamine OH
Nonanal is an aldehyde used extensively in the perfume industry due to its rose-like smell. It can be synthesized from 1-nonene. What reagents are needed to accomplish this multistep synthetic transformation? ? 1) H₂SO4; 2) NaOCI/CH3CO₂H/0° C 1) a) BH3/THF, b) HO-, H₂O2, H₂O; 2) PCC/CH₂Cl2 1) a) BH3/THF, b) HO-, H₂O2, H₂O; 2) H₂CRO4 1) H₂SO4; 2) H₂CrO4 1) H₂SO4; 2) PCC/CH2Cl2
18) provide the major product for the ether-cleavage (A) , and epoxide ring-opening (B &C) reactions with proper mechanisms
Please draw a stepwise mechanism for this reaction.
15) Propose a synthetic route to convert 3-methyl-1-butanol into 3-methyl-2-butanol. OH OH A) 1. NaOH; 2. H3O+ B) 1. H₂SO4, heat; 2. NaBH4; 3. H3O+ C) 1. H2SO4, heat; 2. Hg(OAc)2, H2O; 3. NaBH4 D) 1. Hg(OAc)2, H2O; 2. H2SO4, heat; 3. NaBH4 E) 1. NaOMe; 2. BH3-THF; 3. H2O2, NaOH Answer: C

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