(4S)-4-{[(benzyloxy)carbonyl]amino}-5-ethoxy-5-oxopentanoic acid   、                                                                                      
O-(2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl)-(1[*]6)-O-(2,3,4-tri-O-acetyl-β-D-glucopyranosyl)-(1[*]6)-2,3,4-tri-O-acetyl-α-D-glucopyranosylamine                                                                                                                                                              在
                                                                                                                                                                                 
氰基磷酸二乙酯   、                                                                                                  
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         various solvent(s)                                                                                  为溶剂,
                                                                                                                                                    反应 40.0h,
                                                                                                                以47%的产率得到O-(2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl)-(1[*]6)-O-(2,3,4-tri-O-acetyl-β-D-glucopyranosyl)-(1[*]6)-2,3,4-tri-O-acetyl-N-(1-ethyl N-benzyloxycarbonyl-L-glutam-5-oyl)-α-D-glucopyranosylamine