(1S)-1-[(4R,5S)-2,2-dimethyl-4-pentyl-1,3-dioxan-5-yl]but-3-en-1-ol 在
N,N-二甲基丙烯基脲 、
lithium diethylamide 作用下,
反应 16.0h,
生成 (4S,6S,4'R,5'R)-6-{(4S,6R)-6-Cyano-6-[(4R,6R)-6-cyano-2,2-dimethyl-6-((4S,5R)-2,2,5-trimethyl-[1,3]dioxolan-4-ylmethyl)-[1,3]dioxan-4-ylmethyl]-2,2-dimethyl-[1,3]dioxan-4-ylmethyl}-2,2,2',2'-tetramethyl-4'-pentyl-[4,5']bi[[1,3]dioxanyl]-6-carbonitrile