Synthesis and crystal structure of 2- [1-phenyl-3-methyl-5-oxo-pyrazol-4-ylidene]-4-methyl-1,5-benzodiazepine

2003

A novel pyrazolopyrane 5, obtained from phenylhydrazone 4, in boiling acetic acid reacts with o-phenylenediamine to give new 1,5-benzodiazepine 6.

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