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Communication | Regular issue | Vol 94, No. 1, 2017, pp.59-63
Published online, 12th December, 2016
DOI: 10.3987/COM-16-13602
Enantioselective Protecting-Group-Free Synthesis of (+)-9,10-Dihydroecklonialactone B

Asmaa Said Ali Yassen, Jun Ishihara, and Susumi Hatakeyama*

*Medical Innovation Center, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan

Abstract

An enantioselective protecting-group-free route to ecklonialactones, C-18 oxylipins isolated from the brown algae, was demonstrated by the synthesis of (+)-dihydroecklonialactone B from (E)-ethyl hex-3-enoate in 17 steps.