ORGANIC CHEMISTRY (LL) W/WILEYPLUS NEXT
12th Edition
ISBN: 9781119664635
Author: Solomons
Publisher: WILEY
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Textbook Question
Chapter 15, Problem 4PP
PRACTICE PROBLEM 15.4
Provide a mechanism that accounts for the following result.
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Verapamil, a coronary artery vasodilator, is used in the treatment of angina caused by insufficient blood flow to cardiac muscle. Even though its effect on coronary vasculature tone was recognized over 30 years ago, only recently has its role as a calcium channel blocker become understood. Following is a retrosynthetic analysis leading to a convergent synthesis; it is convergent because (A) and (B) are made separately and then combined (i.e., the route converges) to give the final product. Convergent syntheses are generally much more efficient than those in which the skeleton is built up stepwise.
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Verapamil, a coronary artery vasodilator, is used in the treatment of angina caused by insufficient blood flow to cardiac muscle. Even though its effect on coronary vasculature tone was recognized over 30 years ago, only recently has its role as a calcium channel blocker become understood. Following is a retrosynthetic analysis leading to a convergent synthesis; it is convergent because (A) and (B) are made separately and then combined (i.e., the route converges) to give the final product. Convergent syntheses are generally much more efficient than those in which the skeleton is built up stepwise.
Q. How do you account for the regioselectivity of the nucleophilic displacement involved in converting (C) to (B)?
Suggest a reasonable mechanism for the following reaction.
Chapter 15 Solutions
ORGANIC CHEMISTRY (LL) W/WILEYPLUS NEXT
Ch. 15 - PRACTICE PROBLEM 15.1
Show how loss of a proton...Ch. 15 - Prob. 2PPCh. 15 - PRACTICE PROBLEM 15.3
Outline all steps in a...Ch. 15 - PRACTICE PROBLEM 15.4 Provide a mechanism that...Ch. 15 - Prob. 5PPCh. 15 - Prob. 6PPCh. 15 - Prob. 7PPCh. 15 - PRACTICE PROBLEM 15.8 Write resonance structures...Ch. 15 - PRACTICE PROBLEM 15.9
Provide a mechanism for the...Ch. 15 - PRACTICE PROBLEM 15.10 The trifluoromethyl group...
Ch. 15 - PRACTICE PROBLEM 15.11
Predict the major products...Ch. 15 - PRACTICE PROBLEM 15.12 Predict the major product...Ch. 15 - PRACTICE PROBLEM 15.13
Write mechanisms for the...Ch. 15 - Prob. 14PPCh. 15 - PRACTICE PROBLEM 15.15
Suppose you needed to...Ch. 15 - PRACTICE PROBLEM 15.16 1-Fluoro-2,4-dinitrobenzene...Ch. 15 - Prob. 17PPCh. 15 - PRACTICE PROBLEM 15.18
When...Ch. 15 - PRACTICE PROBLEM 15.19 Birch reduction of toluene...Ch. 15 - Prob. 20PCh. 15 - Prob. 21PCh. 15 - What monobromination product (or products) would...Ch. 15 - 15.23 Predict the major products of the following...Ch. 15 - Prob. 24PCh. 15 - 15.25 Starting with styrene, outline a synthesis...Ch. 15 - Prob. 26PCh. 15 - 15.27 Starting with aniline, outline a synthesis...Ch. 15 - Prob. 28PCh. 15 - Propose structures for compounds GI:Ch. 15 - 2,6-Dichlorophenol has been isolated from the...Ch. 15 - Prob. 31PCh. 15 - 15.32 Give structures (including stereochemistry...Ch. 15 - Provide a detailed mechanism for each of the...Ch. 15 - 15.34 Provide a detailed mechanism for the...Ch. 15 - Prob. 35PCh. 15 - Many polycyclic aromatic compounds have been...Ch. 15 - Prob. 37PCh. 15 - Prob. 38PCh. 15 - Prob. 39PCh. 15 - Prob. 40PCh. 15 - Predict the product of the following reaction.Ch. 15 - 15.42 When m-chlorotoluene is treated with sodium...Ch. 15 - Prob. 43PCh. 15 - Prob. 44PCh. 15 - Prob. 45PCh. 15 - Prob. 46PCh. 15 - 15.47 Provide structures for compounds A and B:
Ch. 15 - Prob. 48PCh. 15 - 15.49 Treating cyclohexene with acetyl chloride...Ch. 15 - 15.50 The tert-butyl group can be used as a...Ch. 15 - 15.51 When toluene is sulfonated (concentrated )...Ch. 15 - Prob. 52PCh. 15 - 2-Methylnaphthalene can be synthesized from...Ch. 15 - Prob. 54PCh. 15 - Prob. 55PCh. 15 - Prob. 56PCh. 15 - Prob. 57PCh. 15 - Prob. 58PCh. 15 - Furan undergoes electrophilic aromatic...Ch. 15 - A C-D bond is harder to break than a C-H bond,...Ch. 15 - 15.61 Acetanilide was subjected to the following...Ch. 15 - Prob. 62PCh. 15 - Prob. 63PCh. 15 - Prob. 64PCh. 15 - When compound C, which is often used to model a...Ch. 15 - Open the molecular model file for benzyne and...Ch. 15 - The structure of thyroxine, a thyroid hormone that...Ch. 15 - Prob. 2LGPCh. 15 - 3. Deduce the structures of compounds E–L in the...
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