Benzo[1,5]thiazepine: Synthesis, Reactions, Spectroscopy, and Applications

<table>Reaction of chalcones with <i>o</i>-aminothiophenol derivatives in the presence of Fluoroboric acid adsorbed on silica-gel (HBF<sub>4</sub>–SiO<sub>2</sub>).</table>

Organic Chemistry International

sch10

Scheme 10

Scheme 10: Benzo[1,5]thiazepine: Synthesis, Reactions, Spectroscopy, and Applications 