Issue 19, 2000

A comparison of some pyrolysis reactions of benzotriazoles, benzisoxazolones and benzisothiazolones

Abstract

The products of flash vacuum pyrolysis of N-acetyl, N-methyl, N-benzyl and N-heteroaryl-substituted benzotriazole, 2,1-benzoxazol-3-one and 2,1-benzothiazol-3-one have been compared. The pyrolysis of benzotriazoles and benzisoxazolones appears to involve an iminocarbene intermediate, although the N-benzyl analogues react by radical pathways. Benzisothiazolones appear to form iminoketene intermediates.

Article information

Article type
Paper
Submitted
16 Jun 2000
Accepted
31 Jul 2000
First published
07 Sep 2000

J. Chem. Soc., Perkin Trans. 1, 2000, 3212-3216

A comparison of some pyrolysis reactions of benzotriazoles, benzisoxazolones and benzisothiazolones

W. K. Janowski, R. H. Prager and J. A. Smith, J. Chem. Soc., Perkin Trans. 1, 2000, 3212 DOI: 10.1039/B004825I

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