Synthesis and Spectral Characteristics of Unsymmetrical Porphirazines with Triphrnylmethyl Groups

Autor:	N. I. Nechai, Sergey K. Petkevich, Vladimir I. Potkin, R. V. Kaberdin
Rok vydání:	2004
Předmět:	chemistry.chemical_classification Acetic acid chemistry.chemical_compound chemistry Nitration Organic Chemistry Nitro compound Anhydrous Organic chemistry Isomerization
Zdroj:	Russian Journal of Organic Chemistry. 40:729-732
ISSN:	1070-4280
DOI:	10.1023/b:rujo.0000043722.09128.17
Popis:	Nitration of 4-alkoxy (Alk = Me, Et)-2-(1-nitro-2,3,3-trichloro-2-propenylidene)benzazetines with anhydrous HNO3 in glacial acetic acid afforded the corresponding 4-alkoxy-3-nitro-2-(1-nitro-2,3,3-trichloro-2-propenylidene)benzazetines. Reaction of compounds obtained with amines involved an isomerization of the benzazetine system into a benzazete one accompanied with conversion of the nitro compound into an aci-form.
Databáze:	OpenAIRE
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