2',3'-dihydro-2'-oxo-spiro[3',1']benzooxazine[8',4]piperidine-1-carboxylic acid (R)-1-(4-benzyloxy-3,5-dimethyl-phenyl)-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl ester 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
20.0 ℃
、300.01 kPa
条件下,
反应 7.5h,
以91%的产率得到2',3'-dihydro-2'-oxo-spiro[3',1']benzooxazine[8',4]piperidine-1-carboxylic acid (R)-1-(4-hydroxy-3,5-dimethyl-phenyl)-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl ester