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Communication | Special issue | Vol 72, No. 1, 2007, pp.139-144
Published online, 29th December, 2006
DOI: 10.3987/COM-06-S(K)30
Stereoselective Synthesis of the AB-Ring Fragment of Gambieric Acid A

Haruhiko Fuwa,* Akihiro Suzuki, Kazushi Sato, and Makoto Sasaki*

*Laboratory of Biostructural Chemistry, Graduate School of Life Sciences, Tohoku University, 1-1 Tsutsumidori-amamiya, Aoba-ku, Sendai 981-8555, Japan

Abstract

Stereoselective synthesis of the AB-ring fragment of gambieric acid A has been accomplished, wherein (i) an acetylide-aldehyde coupling for fragment assembly and (ii) construction of the tetrahydrofuran A-ring via a diastereoselective bromoetherification were successfully employed as key transformations.