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Fragments of acylated 6-O-α--rhamnopyranosylcatalpol from leaves of Premna japonica |
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| Authors: | Hideaki Otsuka Tsuyoshi Yamanaka Yasuyuki Takeda Yukari Sasaki Kazuo Yamasaki Yoshio Takeda Tarow Seki |
| Abstract: | Five monoacyl rhamnopyranoses were isolated from leaves of Premna japonica. The structures were determined to be 2- and 3-O-trans-isoferuloylrhamnopyranoses, 2- and 3-O-trans-p-methoxycinnamoylrhamnopyranoses and 2-O-cis-p-methoxycinnamoylrhamnopyranose. |
| Keywords: | Premna japonica Verbenaceae leaves monoacyl rhamnopyranose. |
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