[(5R,8R,11R,11aS)-5-(hydroxymethyl)-2,3-dimethoxy-8-[(2-methylpropan-2-yl)oxycarbonylamino]-7-oxo-8,9,10,11,11a,12-hexahydro-5H-azepino[1,2-b]isoquinolin-11-yl] methanesulfonate 在
sodium hydride 作用下,
以
various solvent(s) 为溶剂,
反应 14.0h,
以59%的产率得到tert-butyl N-[(2S,10R,13S,16R)-6,7-dimethoxy-17-oxo-12-oxa-1-azatetracyclo[8.7.0.02,13.04,9]heptadeca-4,6,8-trien-16-yl]carbamate