二碳酸二叔丁酯 、
在
5%-palladium/activated carbon
氢气 作用下,
以
甲醇 为溶剂,
以75%的产率得到tert-butyl ((2S,5R,6R)-6-((1R,2S,3S,4R,6S)-3-((2R,3R,4R,5R)-3,5-dihydroxy-5-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yloxy)-4-((4S,5R)-2,2-dimethyl-5-((tert-butoxycarbonylamino)methyl)-1,3-dioxolane-4-carboxamido)-2-hydroxy-6-(tert-butoxycarbonylamino)cyclohexyloxy)-5-(tert-butoxycarbonylamino)tetrahydro-2H-pyran-2-yl)methylcarbamate