hepta-2t,4t,6-trienal 、
(3S,4S,E)-6-[(4R,6R)-6-{[(4R,6S)-6-{(R)-3-[(2R,4R,6R)-6-{[(4R,5S,6S)-6-allyl-2,2,5-trimethyl-1,3-dioxan-4-yl]methyl}-2-(4-methoxyphenyl)-1,3-dioxan-4-yl]-2-(4-methoxybenzyloxy)propyl}-2,2-dimethyl-1,3-dioxan-4-yl]methyl}-2,2-dimethyl-1,3-dioxan-4-yl]-2,4-dimethylhex-5-en-3-ol 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
生成 (2E,4E,6Z)-8-[(4S,5S,6R)-6-{[(2R,4R,6R)-6-[(2S,4S)-4-hydroxy-7-{(4S,6R)-6-[(3S,4S,E)-4-hydroxy-3,5-dimethylhex-1-enyl]-2,2-dimethyl-1,3-dioxan-4-yl}-2-(4-methoxybenzyloxy)-6-oxoheptyl]-2-(4-methoxyphenyl)-1,3-dioxan-4-yl]methyl}-2,2,5-trimethyl-1,3-dioxan-4-yl]-octa-2,4,6-trienal 、 (2E,4E,6E)-8-[(4S,5S,6R)-6-{[(2R,4R,6R)-6-[(2S,4S)-4-hydroxy-7-{(4S,6R)-6-[(3S,4S,E)-4-hydroxy-3,5-dimethylhex-1-enyl]-2,2-dimethyl-1,3-dioxan-4-yl}-2-(4-methoxybenzyloxy)-6-oxoheptyl]-2-(4-methoxyphenyl)-1,3-dioxan-4-yl]methyl}-2,2,5-trimethyl-1,3-dioxan-4-yl]-octa-2,4,6-trienal