N.m.r. Spectra and Stereoisomerism in Pyrazolines

Alfred Hassner; Malvin J. Michelson

doi:10.1021/jo01058a052

N.m.r. Spectra and Stereoisomerism in Pyrazolines

Alfred Hassner, Malvin J. Michelson

University of Colorado Boulder

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Abstract

Cis-trans isomerism in pyrazolines and the application of n.m.r. spectroscopy in differentiating between such isomers is discussed. Theoretical calculations of chemical shifts for some cis- and trans-4,5-disubstituted 2-pyrazolines are in agreement with assignments based on chemical considerations.

Original language	English
Pages (from-to)	3974-3976
Number of pages	3
Journal	Journal of Organic Chemistry
Volume	27
Issue number	11
DOIs	https://doi.org/10.1021/jo01058a052
State	Published - 1 Nov 1962
Externally published	Yes

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abstract = "Cis-trans isomerism in pyrazolines and the application of n.m.r. spectroscopy in differentiating between such isomers is discussed. Theoretical calculations of chemical shifts for some cis- and trans-4,5-disubstituted 2-pyrazolines are in agreement with assignments based on chemical considerations.",

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AB - Cis-trans isomerism in pyrazolines and the application of n.m.r. spectroscopy in differentiating between such isomers is discussed. Theoretical calculations of chemical shifts for some cis- and trans-4,5-disubstituted 2-pyrazolines are in agreement with assignments based on chemical considerations.

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N.m.r. Spectra and Stereoisomerism in Pyrazolines

Abstract

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