期刊
SYNTHETIC COMMUNICATIONS
卷 36, 期 5, 页码 573-579出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397910500406443
关键词
nitrilimines; nitrile oxides; bis-adducts; benzodiazepine; oxadiazole; triazole; regioselective
We report here a one step synthesis of a new series of bis-[1,2,4-triazolo][4,3-a:3',4'-d][1,5]benzodiazepines 3a-e and [1,2,4]oxadiazolo[5,4-d][1,2,4]triazolo[4,3-a][1,5]benzodiazepines 5a-c by the condensation reactions of diarylnitrilimines and arylonitrile oxides. This 1,3-dipolar cycloaddition is completely regioselective. The structure of these products has been confirmed by H-1, C-13 NMR and mass spectroscopic.
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