N,N'-di-p-toluenesulfonyl-N,N'-bis(5-O-allyl-3-deoxy-1,2-O-isopropylidene-α-D-xylofuranos-3-yl)-1,3-diaminopropane 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 36.0h,
以78%的产率得到(1S,7S,8R,9R,11S,20S,22R,23R)-8,9:22,23-diisopropylidenedioxy-2,6-bis-(p-toluenesulfonyl)-10,13,18,21-tetraoxa-2,6-diazatricyclo[18.3.0.0
7,11]tricos-15-ene