申请人:Shionogi & Co., Ltd.
公开号:EP2505584A1
公开(公告)日:2012-10-03
A process for the preparation of a compound of formula (I):
wherein R1 is each independently halogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 haloalkyl, C1-C6 haloalkoxy or C1-C6 alkylcarbonyl,
R3 is C1-C6 alkyl; C3-C8 cycloalkyl; or phenyl optionally substituted with one or more substituents selected from the group consisting of halogen, C1-C6 alkyl; C1-C6 alkoxy, C1-C6 haloalkyl and C1-C6 haloalkoxy,
n is an integer of 0 to 2,
X is S atom or O atom,
its salt or solvate thereof characterized by reacting a compound of formula (IV):
wherein R1, n and X have the same meaning as defined above, and
R2 is C1-C6 alkyl; C1-C6 haloalkyl; or phenyl optionally substituted with one or more substituents selected from the group consisting of halogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 haloalkyl, C1-C6 haloalkoxy and nitro,
with a compound of formula (V):
wherein R3 has the same meaning as defined above.
一种制备式(I)化合物的方法:其中R1分别是卤素、C1-C6烷基、C1-C6烷氧基、C1-C6卤代烷基、C1-C6卤代烷氧基或C1-C6烷基羰基,R3是C1-C6烷基;C3-C8环烷基;或苯基,可选择地取代一个或多个来自卤素、C1-C6烷基、C1-C6烷氧基、C1-C6卤代烷基和C1-C6卤代烷氧基的取代基,n是0到2的整数,X是S原子或O原子,其盐或溶剂化合物,其特征在于将式(IV)化合物与式(V)化合物反应,其中R1、n和X的含义与上述定义相同,R2是C1-C6烷基;C1-C6卤代烷基;或苯基,可选择地取代一个或多个来自卤素、C1-C6烷基、C1-C6烷氧基、C1-C6卤代烷基、C1-C6卤代烷氧基和硝基的取代基,其中R3的含义与上述定义相同。