(+)-tert-butyl (5R,6E)-5-{[tert-butyl(dimethyl)silyl]oxy}-7-{(3aR,4S,5R,6aS)-5-hydroxy-2-oxo-hexahydro-2H-cyclopenta[b]furan-4-yl}hept-6-enoate 在
二异丁基氢化铝 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
生成 tert-butyl (E,5R)-7-[(3aR,4S,5R,6aS)-2,5-dihydroxy-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]furan-4-yl]-5-[tert-butyl(dimethyl)silyl]oxyhept-6-enoate