1-ethyl-3-(4-nitrophenyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one 在
palladium-carbon 作用下,
以
乙醇 为溶剂,
反应 3.0h,
以to give 3-(4-aminophenyl)-1-ethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (1.00 g) as a brown solid的产率得到3-(4-aminophenyl)-1-ethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
FUSED HETEROCYCLIC COMPOUNDS AS PHOSPHODIESTERASES (PDES) INHIBITORS
申请人:Taniguchi Takahiko
公开号:US20130172328A1
公开(公告)日:2013-07-04
The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia or so on represented by the formula (I):
Fused heterocyclic compounds as phosphodiesterases (PDEs) inhibitors
申请人:Taniguchi Takahiko
公开号:US08846713B2
公开(公告)日:2014-09-30
The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia or so on represented by the formula (I):
Fused heterocyclic compounds as phosphodiesterases (PDES) inhibitors
申请人:Takeda Pharmaceutical Company Limited
公开号:US09226921B2
公开(公告)日:2016-01-05
The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia or so on represented by the formula (I):