Affiliation:
1. Organic Chemistry Laboratory, Department of Biochemistry, Calcutta University, Kolkata – 700 019, India
2. Medicinal Chemistry Division, Indian Institute of Chemical Biology, Kolkata – 700 032, India
Abstract
The chromone 5, obtained by bromination of 3-acetyl-2-methylchromone (3), gives [1]benzoxepino[4,3- d]isoxazole (10) and [1]benzoxepino[3,4- c]pyrazole (11), respectively, with hydroxylamine and phenylhydrazine, pyrrolo [3,4- b][1]benzopyran (18) with thiourea, thiazole 19 with thioacetamide, and quinoxaline 21 with o-phenylenediamine.
Cited by
4 articles.
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