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A novel synthesis of a benzimidazo[1,2‐ c ]benzopyrimidine by photolysis of 4‐(benzotriazol‐1‐yl‐2‐phenylquinazoline
Author(s) -
Hubert A. J.
Publication year - 1974
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570110513
Subject(s) - chemistry , photodissociation , quinazolinone , thermal decomposition , decomposition , curtius rearrangement , degradation (telecommunications) , medicinal chemistry , stereochemistry , photochemistry , organic chemistry , telecommunications , computer science
A novel synthesis of 6‐phenylbenzimidazo[1,2‐ c ]benzopyrimidine ( 5 ) by photolysis of 4‐(benzolriazol‐1‐yl‐2‐phenylquinazoline ( 3 ) is described. The acid‐catalysed thermolysis of 3 leads to an extensive degradation yielding 2‐pbenyl‐4‐quinazolinone ( 4 ).