A Novel, Convenient Synthesis of 2-Aryl-3-oxo-3,4-dihydro-2<i>H</i>-1,4-benzothiazines
作者:Masanobu Fujita、Atsutoshi Ota、Susumu Ito、Koji Yamamoto、Yoichi Kawashima
DOI:10.1055/s-1988-27648
日期:——
A novel method for the synthesis of 2-aryl-3-oxo-3,4-dihydro-2H-1, 4-benzothiazines consists of a Friedel-Crafts type reaction of substituted benzenes with 2-chloro-3-oxo-3,4-dihydro-2H-1,4-benzothiazines. This method is convenient by virtue of its simplicity and the good yields.
一种合成2-芳基-3-氧代-3,4-二氢-2H-1,4-苯并噻嗪的新方法是将取代苯与2-氯-3-氧代-3,4-二氢-2H-1,4-苯并噻嗪进行Friedel-Crafts类型的反应。该方法因其简单性和良好的产率而便捷。