(3-benzyloxycarbonylpropyl) iodomethyl carbonate 、
TAK-456 在
氮气 、 desired compound 、
4-[(3-benzyloxycarbonylpropoxy)carbonyloxymethyl]-1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-1H-1,2,4-triazolium iodide 作用下,
以
乙腈 为溶剂,
反应 20.0h,
以to give 4-[(3-benzyloxycarbonylpropoxy)carbonyloxymethyl]-1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-1H-1,2,4-triazolium iodide (Compound 32, 1.47 g) as a yellow powder的产率得到4-[(3-benzyloxycarbonylpropoxy)carbonyloxymethyl]-1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-1H-1,2,4-triazolium iodide