3-{4-[(5R)-5-(azidomethyl)-2-oxo-1,3-oxazolidin-3-yl]phenyl}-1-methyl-1H-pyrazole-5-carbaldehyde 、
2,5-降冰片二烯 在
silica gel 、
乙酸乙酯 作用下,
以
1,4-二氧六环 为溶剂,
反应 4.5h,
以to give the title compound as a white solid (25 mg)的产率得到1-methyl-3-{4-[(5R)-2-oxo-5-(1H-1,2,3-triazol-1-ylmethyl)-1,3-oxazolidin-3-yl]phenyl}-1H-pyrazole-5-carbaldehyde