申请人:Hoechst Aktiengesellschaft
公开号:US04397791A1
公开(公告)日:1983-08-09
The invention relates to a process wherein an alcohol and/or phenol is reacted with phosphorus pentasulfide in the presence of a catalyst which is selected from (a) phosphonium salts of the general formula: ##STR1## (b) ammonium salts of the general formula: ##STR2## (c) phosphine oxides of the general formula: ##STR3## (d) phosphine sulfides of the general formula: ##STR4## (e) phosphinic acid derivatives of the general formula: ##STR5## In formulae I through V, the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each stand for identical or different alkyl-, aryl-, alkaryl- or aralkyl- groups having from 1 to 22 carbon atoms. A stands for an inorganic or organic acid, and X and Y, respectively, stand for both oxygen and sulfur, and M stands for a monovalent metal or oxygen.
本发明涉及一种工艺,其中在催化剂的存在下,将醇和/或酚与五硫化二磷反应,所述催化剂选择自以下类别:(a)具有以下一般式的膦鎵盐:##STR1##(b)具有以下一般式的铵盐:##STR2##(c)具有以下一般式的膦氧化物:##STR3##(d)具有以下一般式的膦硫化物:##STR4##(e)具有以下一般式的膦酸衍生物:##STR5## 在式I到V中,取代基R1、R2、R3和R4分别代表具有1到22个碳原子的相同或不同的烷基、芳基、烷芳基或芳烷基。A代表无机或有机酸,X和Y分别代表氧和硫,M代表一价金属或氧。