Structures of yadanziolides A, B, and C, new bitter principles from Brucea javanica.
作者:Shin Yoshimura、Toshiro Sakaki、Masami Ishibashi、Takahiko Tsuyuki、Takeyoshi Takahashi、Kazuhiro Matsushita、Tadashi Honda
DOI:10.1248/cpb.32.4698
日期:——
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.