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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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