(2S,3S,4R)-1-[(1S,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-1,2-diphenyl-ethyl]-3,4-dihydroxy-2-methyl-2,3,4,6,7,8-hexahydro-1H-quinolin-5-one 在
对甲苯磺酸 作用下,
以
苯 为溶剂,
反应 0.33h,
以90%的产率得到(2S)-1-[(1S,2R)-2-[tert-butyl(dimethyl)silyl]oxy-1,2-diphenylethyl]-2-methyl-4,6,7,8-tetrahydro-2H-quinoline-3,5-dione