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Regiospecific synthesis of 2‐methyl‐4‐arylcarbonyl‐2 H ‐1, 2‐benzothiazin‐3(4 H )‐one 1, 1‐dioxides
Author(s) -
Marfat A.,
Chambers R. J.
Publication year - 1989
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.5570260361
Subject(s) - chemistry , acylation , aryl , medicinal chemistry , organic chemistry , alkyl , catalysis
Acylation of 2‐methyl‐2 H ‐1, 2‐benzothiazin‐3(4 H )‐one 1, 1‐dioxide 3 with aryl anhydrides in the presence of dimethylaminopyridine occurs regiospecifically to afford 2‐methyl‐4‐arylcarbonyl‐2 H 1, 2‐benzothiazin‐3(4 H )‐one 1, 1‐dioxides 2a‐f .