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Azinoiminophosphorane mediated 1,2,4-triazole synthesis

✍ Scribed by Chang Hoon Lee; Kee-Jung Lee

Publisher: Journal of Heterocyclic Chemistry
Year: 2002
Tongue: English
Weight: 30 KB
Volume: 39
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570390435

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✦ Synopsis

Abstract

The aza‐Wittig reaction of benzophenone‐ or acetophenone 1‐[(triphenylphosphoranylidene)amino]‐ethylidenehydrazone (4) with aromatic aldehydes provides a new route to 1,2,4‐triazoles 7 via the thermal reaction of the expected azinoimines 5.

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