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Condensation reaction of 3,4‐dibenzoyl‐1‐methyl‐2,5‐diphenylpyrrole and ‐1‐phenylpyrazole with methylamine derivatives affording pyrrolo [3,4‐c]pyridine and 2 H ‐pyrazolo[3,4‐c]‐ and [4,3‐c]pyridines
Author(s) -
Mataka Shuntaro,
Takahashi Kazufumi,
Tashiro Masashi
Publication year - 1981
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570180602
Subject(s) - chemistry , methylamines , methylamine , pyridine , medicinal chemistry , condensation , condensation reaction , organic chemistry , catalysis , physics , thermodynamics
The reaction of 3,4‐dibenzoyl‐1‐methyl‐2,5‐diphenylpyrrole ( 1 ) and ‐1‐phenylpyrazole ( 2 ) with methylamines ( 3a‐c ) afforded pyrrolo[3,4‐c]pyridine ( 4 ), and isomeric 2 H ‐pyrazolo[3,4‐ c ]pyridines ( 5a‐c ) and [4,3‐ c ]pyridines ( 6a‐c ), respectively.