Enzymatic process for preparing organosilicon group containing photoinitiators

    公开(公告)号:US20050124820A1

    公开(公告)日:2005-06-09

    申请号:US10506698

    申请日:2003-02-25

    CPC分类号: C07F7/0889 C12P9/00

    摘要: 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—CHR3—Y— or IN—C(O)—NH—CHR3—Y—; A′ is A or R1′; R1 and R1′, R2 and R2′ are C1-C18alkyl or phenyl, or —(O)q—SiR1R1′R2; R3 is hydrogen or C1-C6alkyl, Y is a divalent group selected from C1-C10alkeylene, C2-C10alkenylene or —(CH2)b—O—(CH2)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 R4 is hydrogen or —C(O)—C(O)—OH or —C(O)—C(O)—OC1-C6alkyl and n is 1-3; R5 and R6 are C1-C1-2alkyl or together are cycloC5-C7alkyl; R7 is hydroxy, C1-C6alkoxy or morpholinyl; X is —(CH2)a—, —(CH2)b—O—(CH2)a— or —(CH2)b—O—CO—(CH2)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—OC1-C6alkyl) is reacted with a carbinol- or amino terminated organosilicon compound of the formula (IV), wherein m, R1 and R1′, R2 and R2′ are as defined above and B is —Y—CHR3—OH or —Y—CHR3—NH2; B′ is B or R1′, in the presence of an enzyme which catalyzes the esterification, transesterification or amidation reaction.

    Coloured Silsesquioxanes
    4.
    发明申请
    Coloured Silsesquioxanes 失效
    彩色倍半硅氧烷

    公开(公告)号:US20090203931A1

    公开(公告)日:2009-08-13

    申请号:US12308044

    申请日:2007-06-08

    IPC分类号: C07F7/10

    摘要: The invention relates tp dye-functionalized silsesquioxane clusters, a process for their manufacture and their use as colorants, wherein the compounds (functionalized clusters or nano-particles) are characterized by the general formula (I) wherein CAGE is a moiety of the formula (IA) D is a chromophoric moiety, and the other symbols have the meanings as defined in the specification, or salts thereof.

    摘要翻译: 本发明涉及tp染料官能化的倍半硅氧烷簇,其制备方法及其作为着色剂的用途,其中化合物(官能团或纳米颗粒)由通式(I)表征,其中CAGE是式 IA)D是发色部分,其它符号具有本说明书中定义的含义,或其盐。