The synthesis of (+)-marmelo lactones A and B and the assignment of the absolute configurations of marmelo lactones.

NISHIDA Yoshihiro, OHRUI Hiroshi, MEGURO Hiroshi

doi:10.1080/00021369.1984.10866285

The synthesis of (+)-marmelo lactones A and B and the assignment of the absolute configurations of marmelo lactones.

DOI DOI オープンアクセス

NISHIDA Yoshihiro

Department of Food Chemistry, Faculty of Agriculture, Tohoku University
OHRUI Hiroshi

Department of Food Chemistry, Faculty of Agriculture, Tohoku University
MEGURO Hiroshi

Department of Food Chemistry, Faculty of Agriculture, Tohoku University

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説明

(+)-Marmelo Lactones A (VA) and B (VB) were synthesized from erythro-γ-methyl-L-glutamic acid (IA) and threo acid (IB), respectively. The absolute configurations of natural marmelo lactones were thus determined to be (2R, 4S) for (+)-marmelo lactone A and (2R, 4R) for (-)-marmelo lactone B.