9-anthroyl tetrazole   、                                                                                      (2S,3S,4R,5R,6R,7S)-1-Amino-7-[(3S,3aS,5aR,5bR,7aS,11aS,11bR,13aR,13bS)-5a,5b,8,8,11a,13b-hexamethylicosahydro-1H-cyclopenta[a]chrysen-3-yl]-2,3,4,5,6-octanepentol                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                生成                                                 
Anthracene-9-carboxylic acid [(2S,3S,4R,5R,6R)-7-((3S,5aR,5bR,11aS,13bS)-5a,5b,8,8,11a,13b-hexamethyl-icosahydro-cyclopenta[a]chrysen-3-yl)-2,3,4,5,6-pentahydroxy-octyl]-amide