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Pure Appl. Chem. 75(2-3), 259-264, 2003

Pure and Applied Chemistry

Vol. 75, Issue 2-3

Biomimetic approach toward the stereoselective synthesis of acetogenins

R. V. A. Orru, B. Groenendaal, J. van Heyst, M. Hunting, C. Wesseling, R. F. Schmitz, S. F. Mayer, and K. Faber

1Department of Chemistry, Vrije University Amsterdam, De Boelelaan 1083, NL-1081 HV, Amsterdam, The Netherlands; 2Department of Chemistry, University of Graz, Heinrichstrasse 28, A-8010, Graz, Austria

Abstract: Acetogenins isolated from the Annonaceae family of tropical trees have drawn considerable attention owing to their broad spectrum of biological activities. They are structurally characterized by the presence of one to three tetrahydrofuran rings in the center of a long (partly hydroxylated) hydrocarbon chain that ends in a (functionalized) butenolide moiety. Here we describe some of our results toward the first asymmetric total synthesis of cis-gigantrionenin, a principal acetogenin. In this approach, an enzyme-catalyzed epoxide hydrolysis and an enzyme-triggered double cyclization are crucial and give stereoselective access to essential chiral building blocks.

*Pure Appl.Chem. 75, 141419 (2003). An issue of reviews and research papers based on lectures presented at the 23rd IUPAC International Symposium on the Chemistry of Natural Products, Florence, Italy, 28 July 2 August 2002.

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