Heterocyclic Communications p. 579 - 582 (2002)
Update date:2022-08-05
Topics:
Kachhee, Thandi Lal
Gupta, Vandana
Gupta, Rajani
Gautam
Synthesis of 4H-1,4-benzothiazines is reported by the condensation of 5-ethoxy-2-aminobenzethiol with β-diketones in DMSO. 2-Aminobenzenethiol readily oxidized to bis-(2-aminophenyl)disulfide which on reaction with β-diketones cyclizes to 4H-1,4-benzothia
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