TAK-456 、 iodomethyl (2,3,4,5-tetrahydrofurfuryl) carbonate 在
正己烷 、 desired compound 、
1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-4-[(2,3,4,5-tetrahydrofurfuryl)oxycarbonyloxymethyl]-1H-1,2,4-triazolium iodide 作用下,
以
乙腈 为溶剂,
反应 15.0h,
以to give 1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-4-[(2,3,4,5-tetrahydrofurfuryl)oxycarbonyloxymethyl]-1H-1,2,4-triazolium iodide (Compound 30, 0.4 g) as a colorless powder的产率得到1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-4-[(2,3,4,5-tetrahydrofurfuryl)oxycarbonyloxymethyl]-1H-1,2,4-triazolium iodide