STRUCTURES OF YADANZIOLIDES A, B, AND C, NEW BITTER PRINCIPLES FROM BRUCEA JAVANICA

Shin Yoshimura; Toshiro Sakaki; Masami Ishibashi; Takahiko Tsuyuki; Takeyoshi Takahashi; Kazuhiro Matsushita; Tadashi Honda

doi:10.1248/cpb.32.4698

Shin Yoshimura, Toshiro Sakaki, Masami Ishibashi, Takahiko Tsuyuki, Takeyoshi Takahashi, Kazuhiro Matsushita, Tadashi Honda

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Keywords: ^<13>C-NMR

JOURNAL FREE ACCESS

1984 Volume 32 Issue 11 Pages 4698-4701

DOI https://doi.org/10.1248/cpb.32.4698

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Abstract

Three bitter quassinoids, yadanziolides A, B, and C (1, 2 and 3), were isolated from seeds of Brucea javanica, known as"Ya-dan-zi" in Chinese folklore and their structures have been established from chemical transformation and spectral analysis.

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