ethyl (S)-2-<1-<<(S)-2-<(tert-butyloxycarbonyl)amino>-2-carbamoylethyl>amino>-2-<((4S,5R)-4-methyl-5-phenyl-2-oxazolidinyl)carbonyl>-2-(S)-(methylthio)-1-ethyl>-6-aminopyrimidine-4-carboxylate 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
苯 为溶剂,
反应 0.75h,
以93%的产率得到ethyl (R)-2-<1-<<(S)-2-<(tert-butyloxycarbonyl)amino>-2-carbamoylethyl>amino>-2-<((4S,5R)-4-methyl-5-phenyl-2-oxazolidinyl)carbonyl>ethyl>-6-aminopyrimidine-4-carboxylate