New ethenylimidazole derivatives, processes for their preparation and pharmaceutical compositions containing them; intermediates, useful in their preparation and a process for the preparation thereof
申请人:GIST-BROCADES N.V.
公开号:EP0049913A2
公开(公告)日:1982-04-21
The invention relates to new ethenylimidazoles of the formula
in which n is 0, 1 or 2, R1 represents a halogen atom, a trifluoromethyl group or an alkyl or alkoxy group with at most 6 carbon atoms, the two substituents being the same or different when n is 2, R2 represents an alkyl group with 1 to 6 carbon atoms, an alkenyl group with 2 to 4 carbon atoms or a cycloalkyl group with 3 to 6 carbon atoms, R3 represents a hydrogen atom, an alkyl group with 1 to 6 carbon atoms or an alkenyl group with 2 to 4 carbon atoms and R4 represents a hydrogen atom, an alkyl group with 1 to 6 carbon atoms or a nitro group, and their acid addition salts.
Other features of the invention are
- processes for the preparation of compounds of formula I, - pharmaceutical compositions comprising a compound of formula I,
- novel phosphine oxides of the formula
in which R5 and R6 are the same or different and each represents an unsubstituted or substituted phenyl group and R3 and R4 are as defined above,
- a process for the preparation of phosphine oxides of formula XI.
本发明涉及新的乙烯基咪唑,其式如下
其中 n 为 0、1 或 2,R1 代表卤素原子、三氟甲基或最多 6 个碳原子的烷基或 烷氧基,当 n 为 2 时,两个取代基相同或不同,R2 代表 1 至 6 个碳原子的烷基、2 至 4 个碳原子的烯基或 3 至 6 个碳原子的环烷基,R3 代表氢原子、R3 代表氢原子、1-6 个碳原子的烷基或 2-4 个碳原子的烯基,R4 代表氢原子、1-6 个碳原子的烷基或硝基,以及它们的酸加成盐。
本发明的其他特点是
- 制备式 I 化合物的工艺 - 包含式 I 化合物的药物组合物
- 式 I 的新型膦氧化物
其中 R5 和 R6 相同或不同,各自代表未取代或取代的苯基,R3 和 R4 如上所定义、
- 一种制备式 XI 的膦氧化物的工艺。