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Vicinal 13CH coupling through olefinic double bonds

✍ Scribed by Alan W. Douglas

Book ID
102525367
Publisher
John Wiley and Sons
Year
1977
Tongue
English
Weight
204 KB
Volume
9
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

Values of long range ^13^CH coupling through the double bond in a number of isopropenyl compounds are reported. There is evidence that substituent dependence of ^3^J(CH) is not related linearly to that of Hο£ΏH couplings in vinyl compounds. The ratio of ^3^J(CH) to ^3^J(HH) in analogous pairs of compounds appears to increase with decreasing substituent polarity and increasing steric bulk.

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