(3S,3aS,4R,6aR)-3-(hydroxymethyl)-1-[(3-iodophenyl)methyl]-4-methyl-3,3a,4,6a-tetrahydrofuro[3,4-c][1,2]oxazol-6-one 、
N-Boc-氨基丙炔 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide N,N-二异丙基乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 12.0h,
以90%的产率得到tert-butyl N-[3-[3-[[(3S,3aS,4R,6aR)-3-(hydroxymethyl)-4-methyl-6-oxo-3,3a,4,6a-tetrahydrofuro[3,4-c][1,2]oxazol-1-yl]methyl]phenyl]prop-2-ynyl]carbamate