methyl 3α-propargyl-12α-azidoacetyldeoxycholate 在
copper(II) sulfate 、
sodium ascorbate 作用下,
以
水 、
叔丁醇 为溶剂,
反应 72.0h,
以50%的产率得到methyl (4R)-4-[(1S,4R,14S,15R,16R,19S,20R,23R,24S,27R,37S,38R,39R,42S,43R,46R,47S,52S)-39-[(2R)-5-methoxy-5-oxopentan-2-yl]-1,15,24,38-tetramethyl-12,35-dioxo-5,13,28,36-tetraoxa-8,9,10,31,32,33-hexazaundecacyclo[35.9.2.214,20.14,46.17,10.123,27.130,33.015,19.038,42.043,47.024,52]tetrapentaconta-7(54),8,30(50),31-tetraen-16-yl]pentanoate