lithium hexamethyldisilazane 、 、
2-(4-cyclopropylsulfanyl-phenyl)-N-((1R,2R)-2-hydroxy-1-methyl-2-phenyl-ethyl)-N-methyl-acetamide 、
(2S,3S,7S)-7-(Iodomethyl)-2,3-diphenyl-1,4-dioxaspiro[4.4]nonane 、
氯化铵 在
氯化铵 、 Brine 、
乙酸乙酯 、
magnesium sulfate 、 1H-EtOAc 作用下,
以
四氢呋喃 、
甲苯 、
N,N-二甲基丙烯基脲 为溶剂,
反应 5.33h,
以to afford 2(R)-(4-cyclopropylsulfanylphenyl)-3-(2(S),3(S)-diphenyl-1,4-dioxaspiro[4.4]non-7(R)-yl)-N-(2(R)-hydroxy-1(R)-methyl-2-phenylethyl)-N-methylpropionamide的产率得到2(R)-(4-cyclopropylsulfanylphenyl)-3-(2(S),3(S)-diphenyl-1,4-dioxaspiro[4.4]non-7(R)-yl)-N-(2(R)-hydroxy-1(R)-methyl-2-phenylethyl)-N-methylpropionamide