Synthesis and antitumor activity of a new class of pyrazolo[4,3-e]pyrrolo[1,2-a][1,4]diazepinone analogs of pyrrolo[1,4]benzodiazepines (PBDs)

Add time:07/28/2019    Source:sciencedirect.com

A new class of Pyrrolo[1,4]benzodiazepines (PBDs) analogs featuring a pyrazolo[4,3-e]pyrrolo[1,2-a][1,4]diazepinone ring system has been designed and synthesized. In these compounds the A-benzene ring, characteristic of PBDs, has been replaced by a dimethylpyrazole ring, a modification suggested by modelling studies performed on the PBD base structure. Biological evaluation releaved appreciable antitumor activity for compounds 14 and 15 (8.84–22.4 μM) which encourages further investigation of the N6 and N7 alkyl pyrazole analogs.

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