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Communication | Special issue | Vol 86, No. 1, 2012, pp.155-158
Published online, 7th August, 2012
DOI: 10.3987/COM-12-S(N)46
STEREOSELECTIVE SYNTHESIS OF THE FUSED γ-LACTONE/δ-LACTONE CORE OF OPHIODILACTONES

Takaaki Matsubara, Keisuke Takahashi, Jun Ishihara, and Susumi Hatakeyama*

*Graduate School of Biomedical Sciences, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan

Abstract

A promising precursor of ophiodilactones A and B, tetrameric phenyl propanoids isolated form the ophiuroid Ophiocoma scolopendrina, has been synthesized stereoselectively employing a halolactonization and an intramolecular epoxide-opening with a carboxylic acid as key reactions.