申请人:SUMITOMO SEIKA CHEMICALS CO., LTD.
公开号:EP0657438A2
公开(公告)日:1995-06-14
A method for producing alkylthiobenzamide of formula (III) by carrying out a reaction of a halobenzamide with an alkanethiol in the presence of a base in a heterogeneous solvent; a method for producing an alkylsulfinylbenzamide by carrying out a reaction of an alkylthiobenzamide with a halogen in a heterogeneous solvent; a method for producing an alkylsulfinylbenzamide by carrying out a reaction of a halobenzamide with an alkanethiol in the presence of a base in a heterogeneous solvent and a subsequent reaction with a halogen; and a method for producing a 1,2-benzisothiazol-3-one of formula (VI) by carrying out a reaction of a 2-(alkylthio)benzamide with a halogenating agent.
一种通过卤代苯甲酰胺在碱存在下于异相溶剂中与烷硫醇反应生产式(III)烷基硫代苯甲酰胺的方法; 一种通过烷基硫代苯甲酰胺在异相溶剂中与卤素反应生产烷基硫代苯甲酰胺的方法;一种在异相溶剂中,在碱存在下,通过卤代苯甲酰胺与烷硫醇的反应以及随后与卤素的反应生产烷基硫代苯甲酰胺的方法;以及一种通过 2-(烷硫基)苯甲酰胺与卤化剂的反应生产式(VI)的 1,2-苯并异噻唑-3-酮的方法。