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)-one 1,1-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-
一些Ñ,Ñ ' -连接的benzoannelated异噻唑-3(2H) -酮1,1-二氧化物,异噻唑鎓经由盐的氧化不可用,获得了具有良好产率通过反应ñ -氨基杂环与2- chlorosulfonylbenzoyl酰氯和评估了其对人白细胞弹性蛋白酶(HLE)和乙酰胆碱酯酶(AChE)的抑制活性。2-(邻苯二甲酰亚胺-1-基)-1,2-苯并噻唑-3(2 H)-1,1-二氧化物和2-(2-甲基-4-氧代-3(4 H)-喹唑啉基)-1发现,2-2-苯并噻唑-3(2H)-1,1-二氧化物是HLE的抑制剂,并使用266 nm激光闪光光解法作为氮中心自由基的潜在前体进行了测试。