申请人:Shionogi & Co., Ltd.
公开号:US04857645A1
公开(公告)日:1989-08-15
A process for introducing thiocarboxylic ester at ortho-position of phenols or phenylamines which comprises reacting a phenyl compound having group or optionally substituted amino or cyclic amino group, of which at least one ortho-position is vacant, with C.sub.1 -C.sub.5 alkyl thiocyanate, C.sub.7 -C.sub.13 aralkyl thiocyanate or C.sub.6 -C.sub.12 aryl thiocyanate in the presence of a boron trihalide and hydrolyzing the resultant product under acidic conditions is provided, and said process is useful in the synthesis of medicinals, pesticides and dyes.
一种在苯酚或苯胺的邻位引入硫代羧酸酯的方法,包括将具有基团或可选取代氨基或环氨基基团的苯基化合物,其中至少一个邻位为空置,与C.sub.1-C.sub.5烷基硫氰酸酯、C.sub.7-C.sub.13芳基烷基硫氰酸酯或C.sub.6-C.sub.12芳基硫氰酸酯在三卤化硼的存在下反应,并在酸性条件下水解所得产物,该方法在药物、杀虫剂和染料的合成中有用。