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PubMed · 15123274

What makes epothilones stick?

Abstract

The potent epothilone tubulin polymerization promoters have been studied extensively by synthetic and SAR approaches. The paper by Buey et al. (, this issue of Chemistry & Biology) adds a new depth of mechanistic understanding by a careful analysis of the tubulin polymerization mechanism of the epothilones.

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BibTeXRIS

David G I Kingston. 2004. What makes epothilones stick?. https://doi.org/10.1016/j.chembiol.2004.02.009

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Total syntheses of epothilones B and d.

A convergent, total synthesis of epothilones B (2) and D (4) is described. The key steps are Normant coupling to establish the desired (Z)-stereochemistry at C12-C13, Wadsworth-Emmons olefination of methyl ketone 28 with the phosphonate ester 8, diastereoselective aldol condensation of aldehyde 5 with the enolate of keto acid derivatives to form the C6-C7 bond, selective deprotection of acid 52, and macrolactonization.

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