20-22 please help manuppun, In.D., Dept. of Natur.(a) 3-methyl-2-hexanol (b) 3-ethyl-3-hexanol (c) 3-methyl-3-hexanolhexanol.(d) 3-methyl-1-23)Provide the structure of the major organic product in the reaction shown below.i1. 2 CH3CH₂CH₂MgBrHOCH₂CH32. H3O+terminal and24) Which of the reducing agents produces 1,4-cyclohexadiene analogs from benzenes?(a) Sn/conc. HC1(b) Na/NH3 (c) H₂/Raney Ni(d) NaBH4/EtOH (e) Zn-Hg/HCl25) Circle alcohol(s), show the "strongest acid" due to "resonance-stabilized" conjugatebase.HHphenol1-pentanol1-propen-1-olcyclohexanolcan be preferred to produce aldehyde by the oxidation of 2-me(d) KMnO4-26) The reagent(s)pentanol?a) NaOCI/TEMPO(c) both PCC and Swern(b) CrO3/H₂SO4r-Esterification? 20) Which of the following reagents would be suitable for making "ethyl-benzene" from"acetophenone" (i.e. via a reduction process)?(a) Zn/HC1 (b) NH₂NH₂/KOH(c) LAH/H3O+ (d) NaBH4/MeOH21) What is the correct IUPAC name of the compound below?BrOHBr for the "ether-cA) 3-(2-bromopropyl)-6,6-dimethylheptan-2-olB) 5-bromo-3-(3,3-dimethylbutyl)hexan-2-olC) 5-(2-bromopropyl)-2,2-dimethylheptan-6-olD) 7-bromo-5-(1-hydroxyethyl)-2,2-dimethyloctane22) What would be the alcohol product if MeMgBr/ether & H3O+ are added to 3-hexanone?OBrBr

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Answered: 20) Which of the following reagents…

20) Which of the following reagents would be suitable for making "ethyl-benzene" from "acetophenone" (i.e. via a reduction process)? (a) Zn/HC1 (b) NH₂NH₂/KOH (c) LAH/H3O+ (d) NaBH4/MeOH

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter16: Aldehydes And Ketones

Section: Chapter Questions

Problem 16.45P: The following bicyclic ketone has two -carbons and three -hydrogens. When this molecule is treated...

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Concept explainers

Reactions of Ethers

Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.

Epoxides

Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.

Williamson Ether Synthesis

An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.

Question

20-22 please help

manuppun, In.D., Dept. of Natur.
(a) 3-methyl-2-hexanol (b) 3-ethyl-3-hexanol (c) 3-methyl-3-hexanol
hexanol.
(d) 3-methyl-1-
23)
Provide the structure of the major organic product in the reaction shown below.
i
1. 2 CH3CH₂CH₂MgBr
H
OCH₂CH3
2. H3O+
terminal and
24) Which of the reducing agents produces 1,4-cyclohexadiene analogs from benzenes?
(a) Sn/conc. HC1
(b) Na/NH3 (c) H₂/Raney Ni
(d) NaBH4/EtOH (e) Zn-Hg/HCl
25) Circle alcohol(s), show the "strongest acid" due to "resonance-stabilized" conjugate
base.
H
H
phenol
1-pentanol
1-propen-1-ol
cyclohexanol
can be preferred to produce aldehyde by the oxidation of 2-me
(d) KMnO4-
26) The reagent(s)
pentanol?
a) NaOCI/TEMPO
(c) both PCC and Swern
(b) CrO3/H₂SO4
r-Esterification?

20) Which of the following reagents would be suitable for making "ethyl-benzene" from
"acetophenone" (i.e. via a reduction process)?
(a) Zn/HC1 (b) NH₂NH₂/KOH
(c) LAH/H3O+ (d) NaBH4/MeOH
21) What is the correct IUPAC name of the compound below?
Br
OH
Br for the "ether-c
A) 3-(2-bromopropyl)-6,6-dimethylheptan-2-ol
B) 5-bromo-3-(3,3-dimethylbutyl)hexan-2-ol
C) 5-(2-bromopropyl)-2,2-dimethylheptan-6-ol
D) 7-bromo-5-(1-hydroxyethyl)-2,2-dimethyloctane
22) What would be the alcohol product if MeMgBr/ether & H3O+ are added to 3-hexanone?
O
Br
Br

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