(1S,2S,2'R,3'R,3'aS,5R)-2-isopropyl-2',3',5,5'-tetramethyl-3',3'a-dihydro-2'H-spiro{cyclohexane-1,6'-imidazo[1,5-b]isoxazol}-4'(5'H)-one 在
palladium dihydroxide 氢气 作用下,
以
甲醇 为溶剂,
20.0 ℃
、101.33 kPa
条件下,
反应 120.0h,
以99%的产率得到(3S,5R,6S,9R)-3-[(1R,2R)-2-hydroxy-1-methylpropyl]-6-isopropyl-1,9-dimethyl-1,4-diazaspiro[4,5]decan-2-one