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The Estimation of the Angle of Twist for a Cyclobutane Derivative by Nuclear Magnetic Resonance

✍ Scribed by Lustig, Ernest; Moriarty, Robert M.

Book ID
126042983
Publisher
American Chemical Society
Year
1965
Tongue
English
Weight
242 KB
Volume
87
Category
Article
ISSN
0002-7863

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## Abstract Torsional angles in some mono‐substituted conjugated benzenes were determined from the chemical shift of the __para__ carbons. Similar results were obtained from ketones and imines, and the torsional angles increase, as expected, with steric hindrance. It is possible to assign a __syn__