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Synthesis of 9<i>H</i>-Indeno [1, 2-<i>b</i>] Pyrazine and 11<i>H</i>-Indeno [1, 2-<i>b</i>] Quinoxaline Derivatives in One-step Reaction from 2-Bromo-4-chloro-1-indanone


S Jasouri
J Khalafy
M Badali
RH Prager

Abstract

The reaction of 2-bromo-4-chloro-1-indanone with 2,3-diaminomaleonitrile, benzene-1,2-diamine and 4-methylbenzene-1,2-diamine in glacial acetic acid gave 8-chloro-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile, 1-chloro-11H-indeno[1,2-b]quinoxaline and 1-chloro-7-methyl-11H-indeno[1,2-b]quinoxaline, respectively, in good yield.

Keywords: 2-bromo-4-chloro-1-indanone, diaminopyridine, indeno[1,2-b]quinoxaline, indeno[1,2-b]pyrazine, debromination


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eISSN: 1996-840X
print ISSN: 0379-4350