First synthesis of (−)-spongianolide A and determination of its absolute structure
作者:Toshiyuki Hata、Katsunori Tanaka、Shigeo Katsumura
DOI:10.1016/s0040-4039(99)00039-8
日期:1999.2
The first synthesis of (−)-spongianolide A (1), a cytotoxic sesterterpenoid, and determination of its absolute structure are described. In this synthesis, a simple and practical method for preparation of enantiomerically pure bicyclic and tricyclic β-ketoesters, and a new Wittig reagent, furanmethylide, were developed.
描述了(-)-海绵状内酯A(1)的首次合成,细胞毒性的酯类萜类化合物及其绝对结构的确定。在该合成中,开发了一种简单,实用的对映体纯的双环和三环β-酮酸酯的制备方法,并开发了一种新的Wittig试剂呋喃甲基化物。