Organic Chemistry
12th Edition
ISBN: 9781118875766
Author: T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder
Publisher: WILEY
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Chapter 7, Problem 22PP
Interpretation Introduction
Interpretation:
The best synthesis of the given compound is to be outlined.
Concept introduction:
Sodium amide is a reagent that is widely used in
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Practice Problem 7.16
When the compound called isoborneol is heated with 9 M sulfuric acid, the product of the reaction is the compound
called camphene and not bornylene, as one might expect. Using models to assist you, write a step-by-step mechanism
showing how camphene is formed.
HO
H,O
not
heat
Isoborneol
Camphene
Bornylene
8.23 In each of the following indicate which reaction will occur faster. Explain your reasoning.
(D) Solvolysis of 1-bromo-2,2-dimethylpropane or tert-butyl bromide in ethanol
(E) Solvolysis of isobutyl bromide or sec-butyl bromide in aqueous formic acid
(F) Reaction of 1-chlorobutane with sodium acetate in acetic acid or with sodium methoxide in methanol
Propose suitable reagents to accomplish the following transformations.
Chapter 7 Solutions
Organic Chemistry
Ch. 7 - Prob. 1PPCh. 7 - Prob. 2PPCh. 7 - Prob. 3PPCh. 7 - Prob. 4PPCh. 7 - Practice Problem 7.5
How many stereoisomers are...Ch. 7 - Prob. 6PPCh. 7 - Prob. 7PPCh. 7 - PRACTICE PROBLEM 7.8
Examine Solved Problem 7.3....Ch. 7 - Prob. 9PPCh. 7 - Practice Problem 7.10 When...
Ch. 7 - Practice Problem 7.11
(a) When...Ch. 7 - Prob. 12PPCh. 7 - Prob. 13PPCh. 7 - Practice Problem 7.14
Dehydration of 2-propanol...Ch. 7 - Practice Problem 7.15
Rank the following alcohols...Ch. 7 - Practice Problem 7.16
Acid-catalyzed dehydration...Ch. 7 - Practice Problem 7.17 Acid-catalyzed dehydration...Ch. 7 - Prob. 18PPCh. 7 - Prob. 19PPCh. 7 - Practice Problem 7.20
Show how you might...Ch. 7 - Prob. 21PPCh. 7 - Prob. 22PPCh. 7 - Practice Problem 7.23
Write the structure of...Ch. 7 - Prob. 24PPCh. 7 - Prob. 25PPCh. 7 - Practice Problem 7.26 (a) Devise retrosynthetic...Ch. 7 - Each of the following names is incorrect, Give the...Ch. 7 - Prob. 28PCh. 7 - Prob. 29PCh. 7 - Give the IUPAC names for each of the following:...Ch. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - 7.35. Write structural formulas for all the...Ch. 7 - 7.36. Explain the following observations: When...Ch. 7 - Prob. 37PCh. 7 - Arrange the following alcohols in order of their...Ch. 7 - Prob. 39PPCh. 7 - Prob. 40PPCh. 7 - Prob. 41PPCh. 7 - Prob. 42PPCh. 7 - Your task is to prepare isopropyl methyl ether by...Ch. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - 7.47. Starting with an appropriate alkyl halide...Ch. 7 - Prob. 48PCh. 7 - 7.49. What is the index of hydrogen deficiency...Ch. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Compounds I and J both have the molecular formula...Ch. 7 - Prob. 53PCh. 7 - 7.54. Outline a synthesis of phenylethyne from...Ch. 7 - Prob. 55PPCh. 7 - Prob. 56PPCh. 7 - Prob. 57PPCh. 7 - cis-4-Bromocyclohexanol tBuOHtBuO racemic C6H10O...Ch. 7 - Prob. 59PPCh. 7 - Consider the interconversion of cis-2-butene and...Ch. 7 - Prob. 61PCh. 7 - (a) Using reactions studied in this chapter, show...Ch. 7 - Prob. 63PCh. 7 - Prob. 64PCh. 7 - 1. Write the structure(s) of the major product(s)...Ch. 7 - Prob. 2LGPCh. 7 - (a) Write the structure of the product(s) formed...Ch. 7 - Prob. 4LGP
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- Guiding your reasoning by retrosynthetic analysis, show how you could prepare each of the following compounds from the given starting material and any necessary organic or inorganic reagents. All require more than one synthetic step. (a) Cyclopentyl iodide from cyclopentane (b) 1-Bromo-2-methylpropane from 2-bromo-2-methylpropane (c) meso-2,3-Dibromobutane from 2-butyne (d) 1-Heptene from 1-bromopentane (e) cis-2-Hexene from 1,2-dibromopentane (f) Butyl methyl ether (CH3CH2CH2CH2OCH3) from 1-butenearrow_forward(c) Answer each of the questions below that relate to acetophenone: Xo (i) (ii) (iii) Draw the structure of the enol form of acetophenone. Give a stepwise mechanism for the conversion of acetophenone into its enol form. Show how each of the three compounds A, B and C below can be prepared from acetophenone. Explain clearly what reactants/reagents would be required in each case. odocor A B Br Carrow_forward8.29 Give the mechanistic symbols ( Sn1, Sn2, E1, E2) that are most consistent with each of the following statements: (d) The substitution product obtained by sovolysis of tert-butyl bromide in ethanol arises by this mechanism (e) In ethanol that contains sodium ethoxide, tert-butyl bromide reacts mainly by this mechanism (f) These reaction mechanisms represent concerted processesarrow_forward
- Suggest reactivity of compound A, B and C in increasing order of E2 reactionarrow_forwardPredict the major organic product of each of the following reactions or provide the reagent needed to complete each transformation.arrow_forwardPredict the major products of the following reactions, including stereochemistry where appropriate. (a) potassium tert-butoxide + methyl iodide (b) sodium methoxide + tert-butyl iodidearrow_forward
- 8.30 Outline an efficient synthesis of each of the following compounds from the indicated start- ing material and any necessary organic or inorganic reagents: (a) Cyclopentyl cyanide from cyclopentane (b) Cyclopentyl cyanide from cyclopentene (c) Cyclopentyl cyanide from cyclopentanol (d) NCCH₂CH₂CN from ethyl alcohol (e) Isobutyl iodide from isobutyl chloride (f) Isobutyl iodide from tert-butyl chloride (g) Isopropyl azide from isopropyl alcohol (h) Isopropyl azide from 1-propanol (i) (S)-sec-Butyl azide from (R)-sec-butyl alcohol (i) (S)-CH3CH₂CHCH3 from (R)-sec-butyl alcohol SHarrow_forwarda) Give the mechanistic symbols (SN1, SN2, E1, E2) that are most consistent with each of the following statements:arrow_forwardShow how you might use a nucleophilic substitution reaction of 1-bromopropane to synthesize each of the following compounds. (You may use any other compounds that are necessary.)arrow_forward
- (a) Cyanohydrin formation is useful because of the further chemistry that can be carried out on the product. A nitrile can be reduced to yield a primary amine and also hydrolyzed to yield a carboxylic acid. Thus, cyanohydrin formation provides a method of transforming an aldehyde or ketone into a different functional group. Identify a series of synthetic transformation of the following reaction starting with benzaldehyde: (iii) (v) (i) H. (vi) (iv) (b) Treatment of an aldehyde or ketone with cyanide ion (:C=N), followed by protonation of the tetrahedral alkoxide ion intermediate, gives a cyanohydrin. Show the structure of the cyanohydrin obtained from cyclohexanone, with mechanistic explanation. HCNarrow_forward4. (A) A medicinal chemist wished to make a series of aromatic molecules bearing a ketone and thioether group with ortho, meta, or para relationships. To achieve this, they propose using nucleophilic aromatic substitution treating the corresponding ortho, meta, and para aryl chlorides with sodium ethanethiolate (NaSEt). Predict which of these reactions will likely work and which will likely fail. Provide a mechanistic explanation why. SET O NasEt EtS glagol Glal ol heat EtS target molecules EtS (B) Would the analogous reactions using EtMgBr instead of NaSEt be more or less likely to work? Explain why or why not. لمسلم EtMgBrarrow_forward(b) A student wanted to synthesize methyl tert-butyl ether. He attempted the synthesis by adding sodium methoxide to tert-butyl chloride, but he obtained none of the desired product (1) (ii) Use an equation to show the product formed in this reaction Propose a suitable William ether synthetic route for methyl tert-butyl ether tach l.arrow_forward
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