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

Scheme 35

Reaction of 1-(4-(4,6-bis (phenylamino)-1,3,5-triazin-2-ylamino)phenyl)-3-(4-methoxyphenyl) prop-2-en-1-ones with o-aminothiophenol in presence of a few drops of glacial acetic acid.