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    • 11. 发明授权
    • Preparation of organosilicon compounds
    • 有机硅化合物的制备
    • US08367812B2
    • 2013-02-05
    • US11921019
    • 2006-05-16
    • Sébastien Sterin
    • Sébastien Sterin
    • C07F7/18C07F7/10
    • C07F7/1892
    • The synthesis of purified functionalized organosilicon compounds containing at least one active azo group having formula (I): [(G0)3SiO1/2]m[(G0)2SiO2/2]n[G0SiO3/2]o[SiO4/2]p[(G2)a(G1)a′(Z—CO—HN═NH—CO-A)SiO(3-a-a′)/2] entails providing at least one hydrazino (—HN—NH—) precursor (II) of the compound (I) and oxidizing the precursor (II) into an azo group specific to the compound (I) with the aid of an oxidizing system comprising at least one oxidant (Ox) and at least one base (B), wherein 1) Ox is selected from among the oxidants that can oxidize a hydrazine function into an azo function, with or without the exclusion of N-bromosuccinimide (NBS), 2) and/or Ox (optionally B) is/are employed in stoichiometric quantities in relation to the precursor (II); 3) and/or the organosilicon compounds (I) thus prepared are subjected to a purification post-treatment to eliminate any unwanted residues of the base B used, with the proviso that, when NBS is not excluded, characteristic (1) is combined with characteristic (2) and/or characteristic (3).
    • 含有至少一种具有式(I)的活性偶氮基的纯化官能化有机硅化合物的合成:[(G0)3SiO1 / 2] m [(G0)2SiO2 / 2] n [G0SiO3 / 2] o [SiO4 / 2] [(G2)a(G1)a'(Z-CO-HN = NH-CO-A)SiO(3-aa')/ 2]需要提供至少一种肼基(-HN-NH-)前体(II) 的化合物(I),并借助于包含至少一种氧化剂(Ox)和至少一种碱(B)的氧化体系将前体(II)氧化成化合物(I)特异性的偶氮基团,其中1 )选自可以将肼功能氧化成偶氮功能的氧化剂,其中或不排除N-溴代琥珀酰亚胺(NBS),2)和/或Ox(任选地B)以化学计量的量使用 与前体(II)的关系; 3)和/或这样制备的有机硅化合物(I)进行纯化后处理以消除所使用的碱B的任何不想要的残留物,条件是当不排除NBS时,将特征(1)与 特征(2)和/或特征(3)。