4.4 Article

Synthesis of a stereoisomer of wortmannilactone C-failure and success

Journal

TETRAHEDRON
Volume 71, Issue 35, Pages 5835-5848

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2015.05.050

Keywords

Macrolactone; Macrocyclization; Liebeskind coupling; Triene; Total synthesis

Funding

  1. Les Laboratoires Servier

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A diastereomer of wortmannilactone C was synthesized according to a versatile strategy from tert-butyl 3-hydroxypropanoate and ethyl (R)-3-hydroxybutanoate, by using versatile organometallic reagents to control four stereogenic centers out of five. The successful strategy consists of the construction of the C13-C17 triene by using a Liebeskind coupling and the construction of the C2-C7 triene by utilizing a Horner-Wadsworth-Emmons reaction to form the macrocycle. (C) 2015 Elsevier Ltd. All rights reserved.

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