(1S,5R)-1-[(1S)-1-(2,6-dimethylphenyl)-8-methyl-1,2-dihydroisoquinolin-2-ylcarbonyl]-5,8,8-trimethyl-3-oxabicyclo[3.2.1]octan-2-one 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 、
乙酸乙酯 为溶剂,
反应 24.0h,
以80%的产率得到(1S,5R)-1-[(1S)-1-(2,6-dimethylphenyl)-8-methyl-1,2,3,4-tetrahydroisoquinolin-2-ylcarbonyl]-5,8,8-trimethyl-3-oxabicyclo[3.2.1]octan-2-one