作者:Tsz-Ying Yuen、Sung-Hyun Yang、Margaret A. Brimble
DOI:10.1002/anie.201103117
日期:2011.8.29
Neutrality is the best policy: Key features of the first totalsynthesis of paecilospirone include an anti‐selective, lactate‐derived aldol reaction, and a double deallylation/spirocyclization conducted at neutral pH to construct the sensitive hydroxy‐substituted benzannulated spiroacetal (see scheme; Bn=benzyl, TBS=tert‐butyldimethylsilyl, TES=triethylsilyl).