Olefin Cross-Metathesis: Studies towards the Total Synthesis of (+)-Bitungolide F
作者:Gandrath Dayaker、Palakodety Radha Krishna
DOI:10.1002/hlca.201300326
日期:2014.6
A stereoselective synthesis of (5S,6S)‐6‐[(2S,5S,7R,8E,10E)‐5‐(benzyloxy)‐7‐[(tert‐butyl)dimethylsilyl]oxy}‐11‐phenylundeca‐8,10‐dien‐2‐yl]‐5‐ethyl‐5,6‐dihydro‐2H‐pyran‐2‐one (=(+)‐9‐O‐benzyl‐11‐O‐[(tert‐butyl)dimethylsilyl]bitungolide F) is reported. The strategy involves Gilman reaction, olefin cross‐metathesis, and HornerWadsworthEmmons olefination as key steps.
(5 S,6 S)‐6 ‐ [(2 S,5 S,7 R,8 E,10 E)‐5‐(苄氧基)‐7 ‐ [((叔丁基)二甲基甲硅烷基]氧基]的立体选择性合成} -11-苯并双癸基-8,10-二烯-2-基] -5-乙基-5,6-二氢-2 H-吡喃-2-1 (=(+)-9 - O-苄基-11- O报道了[[(叔丁基)二甲基甲硅烷基] bitungolide F)。该策略涉及吉尔曼反应,烯烃交叉复分解和霍纳沃兹沃思埃蒙斯烯化为关键步骤。