(1S,3R,4S,5R,6R,8R,10S,28R,29R,31R,32S)-4,5,31,32-Tetrakis-(4-methoxy-benzyloxy)-6,29-bis-(4-methoxy-benzyloxymethyl)-10-methyl-2,7,9,27,30-pentaoxa-tricyclo[26.2.2.03,8]dotriacont-17-yn-26-one 在
Lindlar's catalyst
氢气 作用下,
以
喹啉 、
正己烷 、
二氯甲烷 为溶剂,
20.0 ℃
、101.33 kPa
条件下,
反应 5.5h,
以100%的产率得到(Z)-(1S,3R,4S,5R,6R,8R,10S,28R,29R,31R,32S)-4,5,31,32-Tetrakis-(4-methoxy-benzyloxy)-6,29-bis-(4-methoxy-benzyloxymethyl)-10-methyl-2,7,9,27,30-pentaoxa-tricyclo[26.2.2.0
3,8]dotriacont-17-en-26-one