Synthesis of spiro[indolo-1,5-benzodiazepines] from 3-acetyl coumarins for use as possible antianxiety agents
Raviraj A Kusanur Manjunath Ghate Manohar V Kulkarni
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3-Acetyl coumarins (1) when allowed react with isatin (2) gave corresponding 3-(3′-hydroxy-2′-oxo indolo) acetyl coumarins (3), which on dehydration afforded the correspondingα,β-unsaturated ketones (4). Cyclocondensation of (4) with substitutedo-phenylene diamines resulted in novel 3-coumarinyl spiro[indolo-1,5-benzodiazepines] (5). Structures of all the compounds have been established on the basis of their IR, NMR and mass spectral data and have been screened for their antimicrobial activity and antianxiety activity in mice
Raviraj A Kusanur1 Manjunath Ghate2 Manohar V Kulkarni1
Volume 134, 2022
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