Stereocontrolled Total Synthesis of Amphidinolide X via a Silicon-Tethered Metathesis Reaction
作者:Carles Rodríguez-Escrich、Fèlix Urpí、Jaume Vilarrasa
DOI:10.1021/ol8021676
日期:2008.11.20
Two esterifications and an RCM to create the challenging trisubstituted C12-C13 double bond were required in the total synthesis of amphidinolide X (1) reported here. Assembling the three fragments in this order, no RCM occurred or the process yielded mainly isomer Z. However, generating the E double bond first, by a new variant of a Si-tethered metathesis (using Schrock's catalyst), and carrying out
在这里报告的两性霉素X(1)的总合成中,需要两次酯化反应和一个RCM来形成具有挑战性的三取代C12-C13双键。按此顺序组装三个片段,没有发生RCM或该过程主要产生异构体Z。但是,首先通过Si系留复分解的新变体(使用Schrock催化剂)生成E双键,然后进行酯化和宏观内酯化步骤之后,仅获得1。