Author:
Buchanan Gerald W.,Montaudo Giorgio,Finocchiaro Paolo
Abstract
Carbon-13 n.m.r. chemical shifts for 8 anisoles and 15 diphenyl ethers are reported. para-Carbon shieldings are found to be sensitive to the degree of steric interference to conjugative electron release by the ethereal oxygen atom. An empirical correlation between the para-carbon shifts and the average twist angle of the phenyl rings from a reference plane has been developed. Satisfactory agreement has been found between the angles of twist derived from carbon chemical shifts and those based on other physical measurements.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
84 articles.
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