发明名称 |
PROCEDE POUR LA PREPARATION DES SULFONYLDIAMIDE |
摘要 |
A process for the preparation of N-phenyl(pyridyl)sulfonyldiamides by reacting a 2-aminobenzoic acid (nicotinic acid) derivative with sulfur trioxide, chlorosulfonic acid or an adduct of sulfur trioxide with a tertiary amine in the presence of a diluent and of a tertiary amine, and reacting the resulting sulfamate with a primary amine and a phosphorus halide, or by reacting a 2-aminobenzoic acid (nicotinic acid) derivatives with an N-alkyl(cycloalkyl)sulfamic acid or a salt of this acid in the presence of a diluent and of a phosphorus halide. |
申请公布号 |
RO92244(A) |
申请公布日期 |
1987.08.31 |
申请号 |
RO19850119337 |
申请日期 |
1985.06.27 |
申请人 |
BASF AG,DE |
发明人 |
MERKLE HANS,DE;MULLER ALBRECHT,DE;HAMPRECHT GERHARD,DE;REISSEN-WEBER GERNOT,DE |
分类号 |
C07D213/80;C07C;C07C7/10;C07C67/00;C07C301/00;C07C303/34;C07C307/10;C07D;C07D213/42;C07D213/75;C07D213/76;C07D213/81;C07D285/16;C07D513/04 |
主分类号 |
C07D213/80 |
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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