EBK ORGANIC CHEMISTRY
EBK ORGANIC CHEMISTRY
9th Edition
ISBN: 8220100591310
Author: McMurry
Publisher: CENGAGE L
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Chapter 24.SE, Problem 75AP
Interpretation Introduction

Interpretation:

A structure for atropine (C17H23NO3) is to be proposed from the following observations: i) On basic hydrolysis atropine yields tropic acid C6H5CH(CH2OH)COOH and tropine (C8H15NO). ii) Tropine is an optically inactive alcohol that yields tropidene on dehydration with H2SO4.

Concept introduction:

Esters when hydrolyzed with bases yield alcohols and carboxylic acids. Alcohols when treated with H2SO4 give alkenes. Symmetrical compounds are optically inactive.

To predict:

A structure for atropine (C17H23NO3) from the following observations: i) On basic hydrolysis atropine yields tropic acid C6H5CH(CH2OH)COOH and tropine (C8H15NO). ii) Tropine is an optically inactive alcohol that yields tropidene on dehydration with H2SO4.

Answer:

Structure of atropine is

EBK ORGANIC CHEMISTRY, Chapter 24.SE, Problem 75AP , additional homework tip  1

Explanation:

Atropine gives tropic acid and an alcohol, tropine when hydrolyzed in the presence of bases. Hence it must be an ester. Tropine upon dehydration gives tropidene. Hence structure of tropine (optically inactive) can be obtained by adding water to the structure of tropidene.

EBK ORGANIC CHEMISTRY, Chapter 24.SE, Problem 75AP , additional homework tip  2

The formation of the ester linkage between the OH of atropine and COOH of tropic acid gives atropine. The reactions can be represented as below.

EBK ORGANIC CHEMISTRY, Chapter 24.SE, Problem 75AP , additional homework tip  3

Conclusion:

Structure of atropine is

EBK ORGANIC CHEMISTRY, Chapter 24.SE, Problem 75AP , additional homework tip  4

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Chapter 24 Solutions

EBK ORGANIC CHEMISTRY

Ch. 24.6 - Prob. 11PCh. 24.6 - Prob. 12PCh. 24.6 - Prob. 13PCh. 24.7 - Prob. 14PCh. 24.7 - Prob. 15PCh. 24.8 - Prob. 16PCh. 24.8 - Propose syntheses of the following compounds from...Ch. 24.8 - How would you prepare the following compounds from...Ch. 24.8 - Prob. 19PCh. 24.9 - Draw an orbital picture of thiazole. Assume that...Ch. 24.9 - Prob. 21PCh. 24.9 - Prob. 22PCh. 24.9 - Which nitrogen atom in the hallucinogenic indole...Ch. 24.9 - Prob. 24PCh. 24.10 - Prob. 25PCh. 24.SE - Name the following amines, and identify each as...Ch. 24.SE - The following compound contains three nitrogen...Ch. 24.SE - Name the following amine, including R, S...Ch. 24.SE - Prob. 29VCCh. 24.SE - Predict the product(s) for each reaction below and...Ch. 24.SE - Predict the product(s) and provide the complete...Ch. 24.SE - Prob. 32MPCh. 24.SE - Predict the product(s) and provide the mechanism...Ch. 24.SE - The diazotization of aniline first involves the...Ch. 24.SE - Prob. 35MPCh. 24.SE - Prob. 36MPCh. 24.SE - Prob. 37MPCh. 24.SE - Prob. 38MPCh. 24.SE - Choline, a component of the phospholipids in cell...Ch. 24.SE - Prob. 40MPCh. 24.SE - -Amino acids can be prepared by the Strecker...Ch. 24.SE - Prob. 42MPCh. 24.SE - Prob. 43MPCh. 24.SE - Prob. 44MPCh. 24.SE - Propose a mechanism for the following reaction:Ch. 24.SE - Prob. 46MPCh. 24.SE - Name the following compounds:Ch. 24.SE - Prob. 48APCh. 24.SE - Prob. 49APCh. 24.SE - Prob. 50APCh. 24.SE - Histamine, whose release in the body triggers...Ch. 24.SE - Prob. 52APCh. 24.SE - Prob. 53APCh. 24.SE - Prob. 54APCh. 24.SE - Prob. 55APCh. 24.SE - Prob. 56APCh. 24.SE - Prob. 57APCh. 24.SE - Prob. 58APCh. 24.SE - Prob. 59APCh. 24.SE - Prob. 60APCh. 24.SE - Show the products from reaction of p-bromoaniline...Ch. 24.SE - Prob. 62APCh. 24.SE - How would you prepare the following compounds from...Ch. 24.SE - Prob. 64APCh. 24.SE - Phenacetin, a substance formerly used in...Ch. 24.SE - Prob. 66APCh. 24.SE - Draw the structure of the amine that produced the...Ch. 24.SE - Fill in the missing reagents a-e in the following...Ch. 24.SE - Prob. 69APCh. 24.SE - Prob. 70APCh. 24.SE - Deduce the structure of the compound with formula...Ch. 24.SE - Prob. 72APCh. 24.SE - Prob. 73APCh. 24.SE - Prob. 74APCh. 24.SE - Prob. 75APCh. 24.SE - Prob. 76APCh. 24.SE - Propose a structure for the product with formula...Ch. 24.SE - Prob. 78APCh. 24.SE - Prob. 79APCh. 24.SE - Prob. 80APCh. 24.SE - Prob. 81APCh. 24.SE - Prob. 82APCh. 24.SE - Prob. 83APCh. 24.SE - Prob. 84AP
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