科研之友
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摘要
First asymmetric synthesis of the naturally occurring epoxy noneolide stagonolide-D has been reported in this article. Ring-closing metathesis (RCM) by Grubbs second generation catalyst, Sharpless asymmetric epoxidation (SAE), and cis-selective Horner-Wadsworth-Emmons (HWE) olefination by Ando method are the key reactions successfully employed to achieve the target molecule in a divergent approach. Structurally related small ring macrolide stagonolide-G has also been synthesized by employing RCM and a metal enzyme combined dynamic kinetic resolution (DKR) strategy starting from (S)-ethyl lactate as a chiral pool.
- 出版日期2011-5-15
