62054-41-5Relevant academic research and scientific papers
Intramolecular Anionic Friedel-Crafts Equivalents. An Expeditious Synthesis of 4H-1,2-Benzothiazin-4-one 1,1-Dioxides from N-Arylsulfonylated Amino Acids
Bakker, Wouter I. Iwema,Familoni, O. B.,Padfield, James,Snieckus, Victor
, p. 1079 - 1080 (2007/10/03)
Treatment of compounds 1, readily available from amino acids, with excess LDA furnishes benzothiazinones 2 in modest to good yields (Table); variations of carbanion-mediated reactions lead to benzothiazepinones (Table, entries 12 and 13) and dibenzothiazepinone (5).
