Please correct answer and don't use hand rating After 2-bromo-3,3-dimethylbutane wasreacted with KOC(CH3)3, a 1H NMRspectrum was obtained of the product.Propose a structure for the product ofthis reaction.Incorrect, 4 attempts remainingBrKOC(CH3)36 ppm) multiplicity integration5.85dd1H4.91d1H4.82dd1H0.02•a易

Answered: After 2-bromo-3,3-dimethylbutane was…

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter61: Friedel–crafts Acylation

Section: Chapter Questions

Problem 8Q

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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.
Reaction of p-cresol with two equivalents of 2-methylprop-1-ene affords BHT, a preservative with molecular formula C15H24O. BHT gives the following 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.
7
Jj.198.
The following ¹H NMR spectrum is shown in two questions. "nmrsim presentation 1 1 C:\Bruker TopSpin3.5p17\examdata 10 The most de-shielded resonance can BEST be assigned to the following functional group: Methoxy group Methyl ester Methyl bromide (CH3Br) Aromatic ring [ppm] Aldehyde Deal
According to the 13C NMR what is the major product of this reaction? H H3CH2CCH2CH3 H20 H. H. cat. H2SO4 13C NMR of the major product 90 80 70 60 40 10 50 PPM 30 20 ОН A) CH3CH2CH2CH2CH2CH2CH2OH B) CH;CCH2CH2CH2CH3 H OH ОН C) CH;CH,CCH,CH3 D) CH3CCH(CH2CH3)2 %3.
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Reaction between this aldehyde and ketone in base gives a compound A with the proton NMR spectrum: ô 1.10 (9H, s), 1.17 (9H, s), 6.4 (1H, d, J 15), and 7.0 (1H, d, J 15). What is its structure? (Don't forget stereochemistry!). When this compound reacts with HBr it gives compound B with this NMR spectrum: õu 1.08 (9H, s), 1.13 (9H, s), 2.71 (1H, dd, J 1.9, 17.7), 3.25 (dd, J10.0, 17.7), and 4.38 (1H, dd, J 1.9, 10.0). Suggest a structure, assign the spectrum, and give a mechanism for the formation of B. H base C11H₂00 HBr B C11H₂1 Bro
A graduate student was making some 4-hydroxybutanoic acid and she obtained an excellent yield of a different compound whose 13C NMR is shown here. Propose a structure for this copound.
None
Propose a structure that is consistent with each set of 1H-NMR data. a) C5H10O 13C –NMR shows 4 types of C d 9.7, s, 1H d 2.3, d, 2H d 2.2, m, 1H d 1.0, d, 6H b) C4H8O2 13C-NMR shows one signal. & 3.8, s, 8H
Bb.84.

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After 2-bromo-3,3-dimethylbutane was reacted with KOC(CH3)3, a 1H NMR spectrum was obtained of the product. Propose a structure for the product of this reaction. Incorrect, 4 attempts remaining Br KOC(CH3)3 6 ppm) multiplicity integration 5.85 dd 1H 4.91 d 1H 4.82 dd 1H 0.02 • a 易