STRUCTURES OF CAYAPONOSIDES A, B, C AND D, GLUCOSIDES OF NEW NOR-CUCURBITACINS IN THE ROOTS OF CAYAPONIA TAYUYA

Eiji HIMENO; Tsuneatsu NAGAO; Junko HONDA; Hikaru OKABE; Nobuto IRINO; Tetsuo NAKASUMI

doi:10.1248/cpb.40.2885

Eiji HIMENO, Tsuneatsu NAGAO, Junko HONDA, Hikaru OKABE, Nobuto IRINO, Tetsuo NAKASUMI

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Keywords: Cayaponia tayuya, Cucurbitaceae, triterpene glucoside, nor-cucurbitacin glucoside, cayaponoside

JOURNAL FREE ACCESS

1992 Volume 40 Issue 10 Pages 2885-2887

DOI https://doi.org/10.1248/cpb.40.2885

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Abstract

Four glucosides of new nor-cucurbitacins having an aromatized A ring were isolated from the roots of Cayaponia tayuya. Elucidation of their structures is described.

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