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Evidence for π-polarisation from 13N.M.R. spectra of 4-phenyl-1-substituted-bicyclo[2.2.2]octanes

✍ Scribed by David F. Ewing; Subramaniam Sotheeswaran; Kenneth J. Toyne

Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
84 KB
Volume
18
Category
Article
ISSN
0040-4039

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✦ Synopsis

The effect of substituent X in PhCHzX, 2,3 Ph(CHz)zX 2,4 and Ph(CHz)aX 2,4 on the l3 C chemical shifts for the carbon atoms of the phenyl group has been interpreted in terms of a v-polarisation mechanism represented as shown in 1.

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