110567-84-5Relevant articles and documents
Ring Contraction Reactions of Dihydro- and Tetrahydrothiazepines to Isothiazolone Derivatives under Pummerer Conditions
Yamamoto, Kagetoshi,Yamazaki, Shoko,Murata, Ichiro,Fukazawa, Yoshimasa
, p. 5239 - 5243 (2007/10/02)
2,7-Diphenyl-5-oxo-2,3,4,5-tetrahydro-1,4-thiazepine (4) and 2,7-diphenyl-5-oxo-4,5,6,7-tetrahydro-1,4-thiazepine (5) were prepared from 2,3-dihydro-2,6-diphenyl-4H-thiopyran-4-one (1) through its O-tosyloxime (a mixture of syn and anti isomers ) followed