Catalytic generation of cesium acetylide by CsF: synthesis of 1,3-benzothiazines from cyclic sulfenamides.
An efficient synthesis of enantiopure 1,3-benzothiazines has been achieved by reaction of cyclic sulfenamides and alkylpropiolate or tosylacetylene catalyzed by cesium fluoride.
Spitz
Cédric
C
Laboratoire de Chimie Moléculaire et Thio-organique, ENSICAEN, Université de Caen Basse.Normandie, CNRS, 14050 Caen, France.
Lohier
Jean-François
JF
Reboul
Vincent
V
Metzner
Patrick
P