3H-1,3,4-Benzotriazepines from (N-arylbenzimidoyl)-5-dimethylaminotetrazoles: 1,7-vs. 1,5-cyclisation of extended dipolar nitrile imines
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 2,p. 99-101
- https://doi.org/10.1039/c39870000099
Abstract
Thermolysis of both 1- and 2-N-arylbenzimidoyl-5-dimethylaminotetrazoles [(7) or (8)] generates nitrile imines (9), which cyclise to yield either 1,2,4-triazoles (10) or 3H-1,3,4-benzotriazepines (12), depending on the nature of the N-aryl group and on conditions.Keywords
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