Organic Chemistry
Organic Chemistry
5th Edition
ISBN: 9780078021558
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 12, Problem 12.43P
Interpretation Introduction

(a)

Interpretation: The product formed when A is treated with mCPBA is to be predicted.

Concept introduction: In the presence of peroxide, alkene is oxidized to epoxide. This is known as epoxidation. This is a syn addition. The weak pi bond of alkene and weak OO bond of peroxide are broken and two new CO bonds are formed. Breaking of bonds and formation of bonds takes place in single step. mCPBA is meta-chloroperoxybenzoicacid.

Interpretation Introduction

(b)

Interpretation: The product formed when A is treated with Br2,H2O followed by base is to be predicted.

Concept introduction: The reaction between bromine and alkene proceeds via the formation of cyclic bromonium intermediate. The reaction of bromine in water is an anti addition on alkene. This is a regioselective reaction, the hydroxyl group adds to the more substituted carbon of the double bond.

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Chapter 12 Solutions

Organic Chemistry

Ch. 12 - Problem 12.11 (a) Draw the structure of a compound...Ch. 12 - Prob. 12.12PCh. 12 - Prob. 12.13PCh. 12 - Problem 12.14 Draw the products of each...Ch. 12 - Prob. 12.15PCh. 12 - Problem 12.16 Draw all stereoisomers formed when...Ch. 12 - Prob. 12.17PCh. 12 - Problem 12.18 Draw the products formed when both...Ch. 12 - Problem 12.19 Draw the products formed when each...Ch. 12 - Prob. 12.20PCh. 12 - Prob. 12.21PCh. 12 - Problem 12.22 Draw the products formed when each...Ch. 12 - Prob. 12.23PCh. 12 - Problem 12.24 Draw the organic products in each of...Ch. 12 - Prob. 12.25PCh. 12 - Prob. 12.26PCh. 12 - Problem 12.27 Draw the products of each Sharpless...Ch. 12 - Prob. 12.28PCh. 12 - 12.29 Draw the products formed when A is treated...Ch. 12 - Prob. 12.30PCh. 12 - 12.31 Devise a synthesis of the following compound...Ch. 12 - Prob. 12.32PCh. 12 - Prob. 12.33PCh. 12 - Prob. 12.34PCh. 12 - Prob. 12.35PCh. 12 - Prob. 12.36PCh. 12 - 12.37 Stearidonic acid (C18H28O2) is an...Ch. 12 - Draw the organic products formed when cyclopentene...Ch. 12 - Draw the organic products formed when allylic...Ch. 12 - Draw the organic products formed in each reaction....Ch. 12 - Prob. 12.41PCh. 12 - Prob. 12.42PCh. 12 - Prob. 12.43PCh. 12 - What alkene is needed to synthesize each 1,2-diol...Ch. 12 - Prob. 12.45PCh. 12 - 12.46 (a)What product is formed in Step [1] of the...Ch. 12 - Draw the products formed after Steps 1 and 2 in...Ch. 12 - 12.48 Draw the products formed in each oxidative...Ch. 12 - What alkene or alkyne yields each set of products...Ch. 12 - Prob. 12.50PCh. 12 - Prob. 12.51PCh. 12 - Prob. 12.52PCh. 12 - Prob. 12.53PCh. 12 - 12.54 An unknown compound A of molecular formula ...Ch. 12 - 12.55 DHA is a fatty acid derived from fish oil...Ch. 12 - Prob. 12.56PCh. 12 - 12.57 Draw the product of each asymmetric...Ch. 12 - 12.58 Epoxidation of the following allylic alcohol...Ch. 12 - Prob. 12.59PCh. 12 - 12.60 Identify A in the following reaction...Ch. 12 - Prob. 12.61PCh. 12 - 12.62 It is sometimes necessary to isomerize a cis...Ch. 12 - 12.63 Devise a synthesis of each compound from...Ch. 12 - Prob. 12.64PCh. 12 - Prob. 12.65PCh. 12 - 12.66 Devise a synthesis of each compound from the...Ch. 12 - Prob. 12.67PCh. 12 - Prob. 12.68PCh. 12 - 12.69 Devise a synthesis of each compound from as...Ch. 12 - Prob. 12.70PCh. 12 - Prob. 12.71PCh. 12 - 12.72 Draw a stepwise mechanism for the following...Ch. 12 - Prob. 12.73PCh. 12 - Prob. 12.74PCh. 12 - 12.75 Sharpless epoxidation of allylic alcohol X...
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