Isolation and Identification of Two New Flavanones and a Chalcone from Citrus kinokuni

Yukiko IWASE; Maki TAKAHASHI; Yuko TAKEMURA; Motoharu JU-ICHI; Chihiro ITO; Hiroshi FURUKAWA; Masamichi YANO

doi:10.1248/cpb.49.1356

Notes

Isolation and Identification of Two New Flavanones and a Chalcone from Citrus kinokuni

Yukiko IWASE, Maki TAKAHASHI, Yuko TAKEMURA, Motoharu JU-ICHI, Chihiro ITO, Hiroshi FURUKAWA, Masamichi YANO

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Keywords: flavanone, chalcone, Citrus kinokuni, Rutaceae

JOURNAL FREE ACCESS

2001 Volume 49 Issue 10 Pages 1356-1358

DOI https://doi.org/10.1248/cpb.49.1356

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Abstract

Two new flavanones and one chalcone were isolated from the peel of Citrus kinokuni HORT. ex TANAKA and identified as (2S)-5,6,7,8,4'-pentamethoxyflavanone (1), (2S)-5,6,7,3',4'-pentamethoxyflavanone (2) and 2'-hydroxy-3,4,3',4',6'-pentamethoxychalcone (3). The structures of new compounds were elucidated by spectroscopic analysis.

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