公开(公告)号：EP1403272A8

公开(公告)日：2004-06-16

申请号：EP02724648.7

申请日：2002-04-25

申请人： DAIHACHI CHEMICAL INDUSTRY CO., LTD.

发明人： TAMURA, Kazunari

IPC分类号： C07F9/12

CPC分类号： C07F9/1406 ,  C07F9/12

摘要： A process for preparing a phosphoric ester, comprising: Step (1) of reacting naphthol with phosphorus oxychloride in a molar ratio of 1:1.3 or more in the presence of a metallic halide and removing unreacted phosphorus oxychloride and Step (2) of reacting the reaction product of Step (1) with phenol in a molar ratio (molar ratio of chlorine contained in the reaction product to phenol) of 1:1-1.5 and removing hydrogen chloride produced as a by-product to thereby obtain a phosphoric ester represented by the general formula (I): wherein n is 1 or 2.

公开(公告)号：EP1403272B1

公开(公告)日：2006-05-24

申请号：EP02724648.7

申请日：2002-04-25

申请人： DAIHACHI CHEMICAL INDUSTRY CO., LTD.

发明人： TAMURA, Kazunari

IPC分类号： C07F9/12

CPC分类号： C07F9/1406 ,  C07F9/12

摘要： A process for preparation of phosphoric esters which comprises step (1) of reacting phosphorus oxychloride with naphthol at a molar ratio of not larger than 1/1.3 in the presence of a metal halide and removing unreacted phosphorus oxychloride and step (2) of reacting the reaction product of step (1) with phenol at a molar ratio (of chlorine contained in the reaction product to phenol) ranging from 1 : 1 to 1 : 1.5 and removing hydrogen chloride formed by a by-product to thereby obtain a phosphoric ester represented by the general formula (I): (1) wherein n is 1 or 2.

公开(公告)号：EP1403272A1

公开(公告)日：2004-03-31

申请号：EP02724648.7

申请日：2002-04-25

申请人： DAIHACHI CHEMICAL INDUSTRY CO., LTD.

发明人： TAMURA, Kazunari

IPC分类号： C07F9/12

CPC分类号： C07F9/1406 ,  C07F9/12

摘要： A process for preparing a phosphoric ester, comprising: Step (1) of reacting naphthol with phosphorus oxychloride in a molar ratio of 1:1.3 or more in the presence of a metallic halide and removing unreacted phosphorus oxychloride and Step (2) of reacting the reaction product of Step (1) with phenol in a molar ratio (molar ratio of chlorine contained in the reaction product to phenol) of 1:1-1.5 and removing hydrogen chloride produced as a by-product to thereby obtain a phosphoric ester represented by the general formula (I):
wherein n is 1 or 2.

摘要翻译： 1。一种磷酸酯的制造方法，其特征在于，在金属卤化物的存在下使萘酚与三氯氧磷以1：1.3以上的摩尔比反应，除去未反应的三氯氧化磷的工序（1） （1）的反应产物与苯酚的摩尔比（反应产物与苯酚中所含的氯的摩尔比）为1:1-1.5，并除去作为副产物产生的氯化氢，从而得到由 通式（I）：其中n是1或2。