N,N′-Linked 1,2-benzisothiazol-3(2H)-one 1,1-dioxides: synthesis, biological activity, and derived radicals
作者:Valeria M. Zakharova、Ortwin Brede、Michael Gütschow、Mikhail A. Kuznetsov、Mikhail Zibinsky、Joachim Sieler、Bärbel Schulze
DOI:10.1016/j.tet.2009.10.070
日期:2010.1
N′-linked benzoannelated isothiazol-3(2H)-one1,1-dioxides, not available via oxidation of isothiazolium salts, were obtained with good yields by reaction of N-amino heterocycles with 2-chlorosulfonylbenzoyl chloride and evaluated for their inhibitory activity toward human leukocyte elastase (HLE) and acetylcholinesterase (AChE). 2-(Phthalimid-1-yl)-1,2-benzisothiazol-3(2H)-one 1,1-dioxide and 2-(2-methyl-