(1S,3R,4R)-1-[(2R,5S)-5-[(3E,5R)-2,5-dimethylhepta-3,6-dien-2-yl]-2-methyloxolan-2-yl]-4-methyl-1,3-bis(triethylsilyloxy)hept-6-en-2-one 在
C
7H
8O
3S*C
35H
47Cl
2N
3ORu 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
生成 、 (1R,2S,4R,5R,7E,9R,10E,13S)-1,5,9,12,12-pentamethyl-2,4-bis(triethylsilyloxy)-16-oxabicyclo[11.2.1]hexadeca-7,10-dien-3-one