A new approach to the pseudopterosins using an arene alkylation with a γ-methylene-γ-butyrolactone
作者:David C Harrowven、Jonathan D Wilden、Melloney J Tyte、Michael B Hursthouse、Simon J Coles
DOI:10.1016/s0040-4039(00)02207-3
日期:2001.2
A short and practical route to the tricyclic core of an unnatural pseudopterosin diastereoisomer is presented. Key features are an arene alkylation with a gamma -methylene-gamma -butyrolactone, viz. 10 --> 14, and an elaborate reduction sequence 14 --> 17 which both proceed diastereoselectively. (C) 2001 Elsevier Science Ltd. All rights reserved.