申请人:LABORATOIRES SYNTEX S.A.
公开号:EP0273349A2
公开(公告)日:1988-07-06
Optically active compounds of the formula
or a salt thereof wherein
R, is H or lower alkyl;
R2 and R6 are each independently lower alkyl, aryl, or arylalkyl;
R3 is CN, N02, C02R5, CONHR5, SO2R5, or P(O)(OR5)2, where R5 is lower alkyl, lower alkoxyalkyl, aryl, or arylalkyl;
R4 is aryl, heterocyclyl, or fused-ring heterocyclyl, optionally substituted with one, two, or three halo, N02, CN, lower alkyl, lower alkoxy, lower alkylamino, CF3, OCH2F, or OCF3;
are formed from a salt mixture of the compound with a resolving agent in a hot solvent mixture of an organic solvent and water.
式中的光学活性化合物
或其盐,其中
R 是 H 或低级烷基
R2 和 R6 各自独立地为低级烷基、芳基或芳烷基;
R3 是 CN、N02、C02R5、CONHR5、SO2R5 或 P(O)(OR5)2,其中 R5 是低级烷基、低级烷氧基烷基、芳基或芳基烷基;
R4 是芳基、杂环基或融合环杂环基,可任选被 1、2 或 3 个卤素、N02、CN、低级烷基、低级烷氧基、低级烷基氨基、CF3、OCH2F 或 OCF3 取代;
在有机溶剂和水的热混合溶剂中,由化合物与溶解剂的盐混合物形成。