公开(公告)号：EP0488237B1

公开(公告)日：1995-03-01

申请号：EP91120305.7

申请日：1991-11-27

申请人： SUMITOMO SEIKA CHEMICALS CO., LTD.

发明人： Suzuki, Michio, c/o Sumitomo Seika Chem. Co., Ltd. ,  Hata, Hiroyuki, c/o Sumitomo Seika Chem. Co., Ltd. ,  Yoshikawa, Masato, c/o Sumitomo Seika Chem.Co.,Ltd ,  Ohe, Toshiyuki, c/o Sumitomo Seika Chem. Co., Ltd ,  Kagano, Hirokazu, c/o Sumitomo Seika Chem. Co.,Ltd ,  Goda, Hiroshi, c/o Sumitomo Seika Chem. Co., Ltd ,  Nakano, Masahito, c/o Sumitomo Seika Chem. Co.,Ltd ,  Teramoto, Masaki, c/o Sumitomo Seika Chem. Co.,Ltd

IPC分类号： C07C323/52 ,  C07C319/14

CPC分类号： C07C319/14 ,  C07C323/52

公开(公告)号：EP0488237A1

公开(公告)日：1992-06-03

申请号：EP91120305.7

申请日：1991-11-27

申请人： SUMITOMO SEIKA CHEMICALS CO., LTD.

发明人： Suzuki, Michio, c/o Sumitomo Seika Chem. Co., Ltd. ,  Hata, Hiroyuki, c/o Sumitomo Seika Chem. Co., Ltd. ,  Yoshikawa, Masato, c/o Sumitomo Seika Chem.Co.,Ltd ,  Ohe, Toshiyuki, c/o Sumitomo Seika Chem. Co., Ltd ,  Kagano, Hirokazu, c/o Sumitomo Seika Chem. Co.,Ltd ,  Goda, Hiroshi, c/o Sumitomo Seika Chem. Co., Ltd ,  Nakano, Masahito, c/o Sumitomo Seika Chem. Co.,Ltd ,  Teramoto, Masaki, c/o Sumitomo Seika Chem. Co.,Ltd

IPC分类号： C07C323/52 ,  C07C319/14

CPC分类号： C07C319/14 ,  C07C323/52

摘要： The present invention is directed to a method for producing dichlorophenylthioglycolic acid which comprises reacting monobromodichlorobenzene or trichlorobenzene with a thioglycolate in a ratio of 0.5 to 2.5 mols of the latter to 1 mol of the former in a polar solvent, and to a method for producing dichlorophenylthioglycolic acid comprising further reacting the reaction mixture obtained as above with a monohalogenoacetate.
   The method of the present invention is very useful, industrially advantageous and results in a high yield.

摘要翻译： 本发明涉及一种制备二氯苯基巯基乙酸的方法，该方法包括使单溴二氯苯或三氯苯与巯基乙酸酯以0.5至2.5摩尔的比率与1摩尔前者在极性溶剂中反应，以及制备二氯苯基巯基乙酸的方法 包括进一步使如上获得的反应混合物与单卤代乙酸酯反应。 本发明的方法非常有用，工业上有利并且产率高。