(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 、
2'-叠氮-2'-脱氧尿苷 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 、
三[(1-苄基-1H-1,2,3-三唑-4-基)甲基]胺 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 1.0h,
以88%的产率得到1-[(2R,3R,4S,5R)-3-[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]-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione