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    • 2. 发明申请
    • ENZYMATIC PROCESS FOR PREPARING ORGANOSILICON GROUP CONTAINING PHOTOINITIATORS
    • 用于制备含有光敏剂的有机硅基团的酶法
    • WO2003074718A1
    • 2003-09-12
    • PCT/EP2003/001896
    • 2003-02-25
    • CIBA SPECIALTY CHEMICALS HOLDING INC.ÖHRLEIN, ReinholdSCHÖNING, Kai-UweBAISCH, GabrieleHARTWIG, JemimaBAUDIN, GisèleJUNG, Tunja
    • ÖHRLEIN, ReinholdSCHÖNING, Kai-UweBAISCH, GabrieleHARTWIG, JemimaBAUDIN, GisèleJUNG, Tunja
    • C12P9/00
    • C07F7/0889C12P9/00
    • The invention relates to a process for preparing organosilicon group containing photoinitiators of the formula (I), wherein m is a number from 1 to 200; q is 0 or 1; A is IN-C(O)-O-CHR 3 -Y- or IN-C(O)-NH-CHR 3 -Y-; A’ is A or R 1 ’; R 1 and R 1 ’, R 2 and R 2 ’ are C 1 -C 18 alkyl or phenyl, or -(O) q -SiR 1 R 1 ’R2; R 3 is hydrogen or C 1 -C 6 alkyl, Y is a divalent group selected from C 1 -C 10 alkeylene, C 2 -C 10 alkenylene or -(CH 2 ) b -O-(CH 2 ) a -; and b are each independently of the other a number of 1 to 6; IN is a photolabile functional moiety of the formula (II) or (III), wherein R 4 is hydrogen or -C(O)-C(O)-OH or -C(O)-C(O)-OC 1 -C 6 alkyl and n is 1-3; R 5 and R 6 are C 1 -C 12 alkyl or together are cycloC 5 -C 7 alkyl; R 7 is hydroxy, C 1 -C 6 alkoxy or morpholinyl; X is -(CH 2 ) a -, -(CH 2 ) b -O-(CH 2 ) a - or -(CH 2 ) b -O-CO-(CH 2 ) a -; a and b are each independently of the other a number of 1 to 6; whereby the process is characterized in that a photolabile functional moiety containing a carboxy group (IN-COOH) or an alkoxycarbonyl group (IN-CO-OC 1 -C 6 alkyl) is reacted with a carbinol- or amino terminated organosilicon compound of the formula (IV), wherein m, R 1 and R 1 ’, R 2 and R 2 ’ are as defined above and B is -Y-CHR 3 -OH or -Y-CHR 3 -NH 2 ; B’ is B or R 1 ’, in the presence of an enzyme which catalyzes the esterification, transesterification or amidation reaction.
    • 本发明涉及一种制备含有式(I)的光引发剂的有机硅基团的方法,其中m为1至200的数; q为0或1; A是IN-C(O)-O-CHR 3 -Y-或IN-C(O)-NH-CHR 3 -Y-; A'是A或R1'; R1和R1',R2和R2'是C1-C18烷基或苯基,或 - (O)q-SiR1R1'R2; R 3是氢或C 1 -C 6烷基,Y是选自C 1 -C 10亚乙烯基,C 2 -C 10亚烯基或 - (CH 2)b -O-(CH 2)a - 的二价基团。 和b各自独立地为1至6的数; IN是式(II)或(III)的光不稳定官能部分,其中R4是氢或-C(O)-C(O)-OH或-C(O)-C(O)-OC1-C6烷基, n为1-3; R5和R6是C1-C12烷基或一起是环C 5 -C 7烷基; R7是羟基,C1-C6烷氧基或吗啉基; X是 - (CH 2)a - , - (CH 2)b -O-(CH 2)a-或 - (CH 2)b -O-CO-(CH 2)a-; a和b各自独立地为1至6的数; 其特征在于含有羧基(IN-COOH)或烷氧基羰基(IN-CO-OC1-C6烷基)的光不稳定官能部分与式(IV)的甲醇或氨基封端的有机硅化合物反应, 其中m,R1和R1',R2和R2'如上所定义,B是-Y-CHR 3 -OH或-Y-CHR 3 -NH 2; 在催化酯化,酯交换反应或酰胺化反应的酶存在下,B'是B或R1'。