Total synthesis and biological activity of neopeltolide and analogues.

Abstract

Combining the core structure of neopeltolide, lactone 16 a, with the oxazole-containing side chain 23 via a Mitsunobu reaction provided the cytotoxic natural product neopeltolide (2). The side chain 23 was prepared from oxazolone 24 via the corresponding triflate. Key steps in the preparation of 23 were a Sonogashira coupling, an enamine alkylation, and a… (More)
DOI: 10.1002/chem.200801398

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