6-amino-6-deoxy-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose 、
3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl phosphorochloridite 在
吡啶 作用下,
以
甲苯 为溶剂,
以44%的产率得到2,4,8,10-tetra-tert-butyl-N-(((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-yl)methyl)dibenzo[d,f][1,3,2]dioxaphosphepin-6-amine