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    • 1. 发明申请
    • CATALYST AND PROCESS FOR PREPARATION OF AN ESTER
    • 催化剂及其制备方法
    • WO2003045550A1
    • 2003-06-05
    • PCT/GB2002/005281
    • 2002-11-26
    • JOHNSON MATTHEY PLCLINDALL, Charles, MarkRIDLAND, JohnSLACK, Neville
    • LINDALL, Charles, MarkRIDLAND, JohnSLACK, Neville
    • B01J31/12
    • B01J31/185B01J31/0212B01J31/223B01J2531/31B01J2531/46B01J2531/48C08G63/84C08G63/85
    • A catalyst composition suitable for use as a catalyst for the preparation of an ester comprises an organometallic compound which is the reaction product of an alkoxide or condensed alkoxide of at least one metal selected from titanium, zirconium or aluminium, an alcohol containing at least two hydroxyl groups, a base and an organophosphorus compound of general formula PX(OR 1 ) a (R 2 ) b where X is S or O, R 1 is alkyl/aryl, substituted alkyl/aryl, ether-alkyl, alkoxy, -COR 3 where R 3 is (optionally substituted) C 1-6 alkyl or carboxylic acid (or derivative thereof), -(CH 2 ) x COOR 4 , where R 4 is alkyl, preferably C 1-6 alkyl and x is preferably 1-3; each R 2 is independently H, alkyl/aryl, substituted alkyl/aryl, ether-alkyl, e.g. polyoxyalkyl, especially polyoxyethyl or polyoxypropyl, alkoxy, -OCOR?3 ¿where R 3 is (optionally substituted) C 1-6 alkyl or carboxylic acid (or derivative thereof), -(CH 2 ) X COOR 4 , where R 4 is alkyl, preferably C 1-6 alkyl and x is preferably 1-3; at least one of R 1 and R 2 contains a donor group which is capable of coordinating to or forming a covalent bond with the metal, a is in the range 1-3, b is in the range 0-2 and a + b = 3.
    • 适合用作制备酯的催化剂的催化剂组合物包括有机金属化合物,其是选自钛,锆或铝的至少一种金属的醇盐或稠合醇盐的反应产物,含有至少两个羟基的醇 基团和通式PX(OR 1)a(R 2)b的有机磷化合物,其中X是S或O,R 1是烷基/芳基,取代的烷基/芳基,醚 - 烷基 ,其中R 3是(任选取代的)C 1-6烷基或羧酸(或其衍生物), - (CH 2)x COOR 4,其中R 4是烷基,优选C 1 -6烷基,x优选为1-3; 每个R 2独立地为H,烷基/芳基,取代的烷基/芳基,醚 - 烷基,例如。 聚氧乙烯,特别是聚氧乙基或聚氧丙基,烷氧基,-OCOR 3,其中R 3是(任选取代的)C 1-6烷基或羧酸(或其衍生物), - (CH 2)XCOOR 4,其中R 4 >是烷基,优选C 1-6烷基,x优选1-3; R 1和R 2中的至少一个包含能够与金属配位或与金属形成共价键的供体基团,a在1-3的范围内,b在0-2和 a + b = 3。