(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