作者:B. Poornima、A. Venkanna、B. Swetha、Karthik reddy Kamireddy、Bandi Siva、V.S. Phani Babu、Ramesh Ummanni、K. Suresh Babu
DOI:10.1016/j.tet.2016.06.042
日期:2016.8
A concise total synthesis of dendrodolides A–D (1–4) has been accomplished in 10 steps from commercially available (R)-propylene oxide and 3-buten-1-ol as starting materials. The key steps involved in the synthesis are Jacobsen hydrolytic kinetic resolution, epoxide ring opening with 2-allyl-1, 3-dithiane, Yamaguchi esterification and ring-closing metathesis (RCM). In addition, a series of ester derivatives
以市售的(R)-环氧丙烷和3-丁烯-1-醇为起始原料,经过10个步骤完成了Dendrodolides A–D(1-4)的简明全合成。合成中涉及的关键步骤是Jacobsen水解动力学拆分,2-烯丙基-1、3-二噻吩的环氧开环,山口酯化和闭环复分解(RCM)。此外,利用山口酯化在树突状多核苷酸核心的C-3位制备了一系列酯衍生物,并筛选了它们对抗癌细胞系的功效。