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    • 2. 发明申请
    • PROCESS FOR THE PREPARATION OF 4-BROMOMETHYL-[1,1'-BIPHENYL]-2'-CARBONITRILE
    • 制备4-溴甲基 - [1,1'-联苯] -2'-碳酮的方法
    • WO2011073703A2
    • 2011-06-23
    • PCT/HU2010/000141
    • 2010-12-13
    • SANOFI-AVENTISHUSZÁR, CsabaÁRVAI, GézaHEGEDŰS, Adrienn
    • HUSZÁR, CsabaÁRVAI, GézaHEGEDŰS, Adrienn
    • C07C253/30
    • C07C253/30C07D257/04C07C255/50
    • Process for the preparation of the compounds of the general formula (I) - where in the formula R represents cyano group, - COOR 1 or -CONR 2 R 3 group - where R 1 , R 2 and R 3 stand for identical or non-identical substituents chosen from the following atom or groups: hydrogen atom, straight or branched C 1-7 alkyl group, C 3-6 cycloalkyl group; or in one given case a tetrazolyl group substituted with a C 1-4 alkyl group or triphenylmethyl group - wherein a compound of the general formula (II) - where the meaning of R is as defined above - is reacted with one of the following reagent pairs as bromine sources: bromate with hydrogen sulfite, or bromate with pyrosulfite, or bromide with percarbonate, or bromide with perborate, in aqueous-organic binary systems, and optionally the resulting compound of the general formula (I) is isolated from the reaction mixture by a method known per se .
    • 用于制备通式(I)的化合物的方法,其中式R中的R代表氰基,-COOR1或-CONR2R3基团,其中R1,R2和R3代表相同或不相同的取代基,选自下列原子 或基团:氢原子,直链或支链C 1-7烷基,C 3-6环烷基; 或者在一个给定的情况下,被C 1-4烷基或三苯基甲基取代的四唑基 - 其中R的含义如上定义的通式(II)的化合物与下列试剂对之一反应 作为溴源:含有亚硫酸氢盐的溴酸盐,或具有焦亚硫酸盐的溴酸盐,或具有过碳酸盐或溴化物的溴化物,或过硼酸盐的溴化物,在水 - 有机二元系统中,任选地,所得到的通式(I)化合物通过 本身已知的方法。