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Conformational analysis. XIII—A 300 MHz 1H NMR study of 2-methyl-, 2-phenyl-, 2-(2-chlorophenyl)-and 2-(4-chlorophenyl)-oxetanes

✍ Scribed by Kalevi Pihlaja; Jukka Jokisaari; P. Olavi; I. Virtanen; Heikki Ruotsalainen; Marc Anteunis

Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
446 KB
Volume
7
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

The 300 MHz spectra of 2‐methyl‐, 2‐phenyl‐, 2‐(2‐chlorophenyl)‐ and 2‐(4‐chlorophenyl)‐oxetanes were recorded in CCl~4~ and C~6~D~6~. The chemical shifts and the proton‐proton coupling constants were solved through iterative calculations. The results were discussed in the light of structural factors and theoretical calculations. The average angle of pucker for the oxetane ring was estimated at c. 5°, in fair agreement with the value of 3·3° derived from a microwave study.

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