Issue 11, 1996
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

Studies in nitrosopyrazoles. Part 1. Preparative and spectroscopic studies of some 3,5-dialkyl-4-nitrosopyrazoles

Mailer Cameron,   Brian G. Gowenlock  and  Alan S. F. Boyd  

Abstract

The preparations of a number of 3,5-disubstituted- and 1,3,5-trisubstituted-4-nitrosopyrazoles are described and a range of physical properties of these compounds are measured. Comparison is made with some 2,6-disubstituted nitrosobenzenes and it is shown from 13C NMR spectroscopy that the effects of substitution by flanking tert-butyl groups are moderated in the case of the pyrazoles from those in the aromatic C6 ring due to a lessening of steric hindrance. It is also suggested that steric effects are evident in the preparation of 1,3,5-substituted-4-nitrosopyrazoles when one of the flanking groups to the NO is tert-butyl or phenyl, there being no such effect for the corresponding case of the isobutyl group.

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Article information

DOI
https://doi.org/10.1039/P29960002271
Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1996, 2271-2274

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Studies in nitrosopyrazoles. Part 1. Preparative and spectroscopic studies of some 3,5-dialkyl-4-nitrosopyrazoles

M. Cameron, B. G. Gowenlock and A. S. F. Boyd, J. Chem. Soc., Perkin Trans. 2, 1996, 2271 DOI: 10.1039/P29960002271

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