(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-3-(prop-2-yn-1-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene   、                                                                                      
N-(tert-butoxycarbonyl)glycyl-N1-(2-azidoethyl)-N2-(4-methoxybenzyl)-2-methylalaninamide                                                                                                                                                              在
                                                                                                                                                                                 triethylphosphite copper(I) iodide complex                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以69%的产率得到tert-butyl N-[2-[[1-[2-[4-[[(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxymethyl]triazol-1-yl]ethylamino]-2-methyl-1-oxopropan-2-yl]-[(4-methoxyphenyl)methyl]amino]-2-oxoethyl]carbamate