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A cinnoline 2‐oxide from 2‐nitrosobenzophenone
Author(s) -
Walser Armin,
Zenchoff Gladys
Publication year - 1976
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.5570130445
Subject(s) - cinnoline , chemistry , oxide , condensation , base (topology) , medicinal chemistry , organic chemistry , mathematical analysis , physics , mathematics , thermodynamics
Base catalyzed cyclization of the 2‐methylazoxybenzophenone ( 4B ) obtained by condensation of the 2‐nitrosobenzophenone ( 2a ) with methylhydroxylamine led to the cinnoline 2‐oxide ( 7 ) which is the major product of the peracid oxidation of the corresponding cinnoline ( 5 ).