Structural Elucidation of Citrumarins : Four Novel Binary Coumarins Isolated from Citrus Plants

Yuko TAKEMURA; Motoharu JU-ICHI; Tomoko KUROZUMI; Miki AZUMA; Chihiro ITO; Kiyomi NAKAGAWA; Mitsuo OMURA; Hiroshi FURUKAWA

doi:10.1248/cpb.41.73

Yuko TAKEMURA, Motoharu JU-ICHI, Tomoko KUROZUMI, Miki AZUMA, Chihiro ITO, Kiyomi NAKAGAWA, Mitsuo OMURA, Hiroshi FURUKAWA

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Keywords: citrumarin, coumarin, Citrus, bicoumarin, binary, Rutaceae

JOURNAL FREE ACCESS

1993 Volume 41 Issue 1 Pages 73-76

DOI https://doi.org/10.1248/cpb.41.73

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Abstract

Four binary coumarins, namely citrumarin-A (1), -B (2), -C (3), and -D (4), were isolated from root of Citrus hassaku and/or Swingle Citrumelo, and their structures were elucidated by spectroscopic methods.

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