发明名称 Process for the preparation of trifluorobenzol derivatives.
摘要 A process for the preparation of trifluoronitrobenzene derivatives of the formula <IMAGE> in which R is hydrogen, C1-C8-alkyl, halo-C1-C8-alkyl or allyl, and a process for the preparation of 2-nitro-3,4,6-trifluorobenzoic acid derivatives of the formula <IMAGE> in which R has the abovementioned meanings, are described. Compounds of the formula I are valuable intermediates for the preparation of pesticidal active substances.
申请公布号 EP0545866(A1) 申请公布日期 1993.06.09
申请号 EP19920810923 申请日期 1992.11.27
申请人 CIBA-GEIGY AG 发明人 SZCZEPANSKI, HENRY, DR.;BURCKHARDT, URS, DR.;PASCUAL, ALFONS, DR.;FAROOQ, SALEEM, DR.
分类号 C07C201/12;C07C205/26;C07C205/37;C07C205/59;C07C205/60;G21C3/06;G21C7/04;G21C7/22 主分类号 C07C201/12
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