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Reply to the comment on “novel substituent effects in 1H and 13C NMR spectra of 4- and 4′-substituted N-benzylideneanilines.” problems of 1H chemical shift measurement

✍ Scribed by Naoki Inamoto; Shozo Masuda; Katsumi Tokumaru; Masayuki Yoshida; Youko Tamura; Kazuo Tori

Publisher
Elsevier Science
Year
1975
Tongue
French
Weight
207 KB
Volume
16
Category
Article
ISSN
0040-4039

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✦ Synopsis

In recent years, organic chemists have appeared to treat 'H NMR data not cautiously. Before presenting 'H NMR data,' we must overcome the two tedious problems: (1) how to measure a peak position accurately, and (2) how to analyse a signal pattern. In fact, a description such as "8 4.38 (CHOH, t, J = 3) in -CDCI, " is not so much informative for the reader unless the accuracies are noted. Accuracies and precisions of 'H NMR data are dependent upon the kind of the instrument used, the measurement procedure and the method of the signal analysis.

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