(S)-4-(2-(2-(5-(benzyloxy)-1H-indol-1-yl)acetoxy)-2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl)ethyl)-3,5-dichloropyridine 1-oxide 在
Pd barium sulfate
乙醇 、 silica gel 、
methanol-dichloromethane 作用下,
反应 5.0h,
以affording (S)-3,5-dichloro-4-(2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl)-2-(2-(5-hydroxy-1H-indol-1-yl)acetoxy)ethyl)pyridine 1-oxide (41.8 mg, 0.070 mmol, 31% yield)的产率得到(S)-3,5-dichloro-4-(2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl)-2-(2-(5-hydroxy-1H-indol-1-yl)acetoxy)ethyl)pyridine 1-oxide