cholest-5-en-3β-yl 6-aminohexyl ether   、                                                                                      
N2-2,N6-bis<3-<(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)thio>propionyl>-L-lysyl>-N6-<3-<(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)thio>propionyl>-L-lysine                                                                                                                                                              在
                                                                                                                                                                                 
N,N'-二环己基碳二亚胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以74%的产率得到N-<6-(5-cholesten-3β-yloxy)hexyl>-N
2-
2,N6-bis<3-<(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)thio>propionyl>-L-lysyl>-N6-<3-<(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)thio>propionyl>-L-lysinamide