申请人:SUNTORY LIMITED
公开号:EP1138678A2
公开(公告)日:2001-10-04
1. A process for producing a compound having the formula (XII'):
wherein Q' represents an optionally substituted phenyl group and X represents a hydrogen atom, a halogen atom, an alkoxy group, or an optionally substituted alkyl group, that process comprises reacting a benzophenon derivative having the formula (XIII):
wherein Q' and X are the same as defined above, and L represents a group which can be easily exchanged with an amino group, with a piperazine derivative having the formula (XIV):
wherein W represents a hydrogen atom, a benzyl group, a p-methoxybenzyl group, a benzyloxycarbonyl group, a p-methoxybenzyloxycarbonyl group, a p-nitrobenzyloxycarbonyl group, a tert-butoxycarbonyl group, an ethoxycarbonyl group or an acetyl group to give a compound having the formula (XV):
wherein Q', W and X are the same as defined above, and the subsequent reduction and deprotection of the compound having the formula (XV).
1.一种生产具有式 (XII') 的化合物的工艺:
其中 Q'代表任选取代的苯基,X 代表氢原子、卤素原子、烷氧基或任选取代的烷基,该工艺包括使具有式 (XIII):
其中 Q' 和 X 与上式定义相同,L 代表易于与氨基交换的基团,该工艺包括将具有式(XIV)的哌嗪衍生物与具有式(XIII)的苯甲酮衍生物反应:
其中 W 代表氢原子、苄基、对甲氧基苄基、苄氧羰基、对甲氧基苄氧羰基、对硝基苄氧羰基、叔丁氧羰基、乙氧羰基或乙酰基,得到式(XV)的化合物:
其中 Q'、W 和 X 与上文所定义的相同,随后对具有式(XV)的化合物进行还原和脱保护。