methyl 3α,12α-bis(azidoacetoxy)-5β-cholan-24-oate 、
1,3-二(2-丙炔氧基)苯 在
水 、
copper(II) sulfate 、
sodium ascorbate 作用下,
以
叔丁醇 为溶剂,
反应 18.0h,
以69%的产率得到methyl (4R)-4-[(1S,4R,28S,29R,30R,33S,34R,37R,38S)-1,29-dimethyl-6,26-dioxo-5,13,19,27-tetraoxa-8,9,10,22,23,24-hexazaoctacyclo[26.9.2.14,37.18,11.114,18.121,24.029,33.034,38]tritetraconta-9,11(43),14(42),15,17,21(41),22-heptaen-30-yl]pentanoate