Lanceocrepidiasides A-F, glucosides of guaiane-type sesquiterpene from Crepidiastrum lanceolatum |
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| Authors: | Takeda Yoshio Masuda Toshiya Morikawa Hiroyuki Ayabe Hisako Hirata Eiji Shinzato Takakazu Aramoto Mitsunori Otsuka Hideaki |
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| Institution: | Faculty of Integrated Arts and Sciences, The University of Tokushima, 1-1 Minamijosanjima-cho, Tokushima 770-8502, Japan. takeda@ias.tokushima-u.ac.jp |
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| Abstract: | From the aerial parts of Crepidiastrum lanceolatum, six guaiane-type sesquiterpene glucosides, lanceocripidiasides A-F were isolated together with five known sesquiterpene glucosides, ixerin Y, crepidialanceosides A and B, and youngiasides A and D, two known megastigmane glucosides, icariside B1 and corchoionoside A, and benzyl 6'-O-beta-D-apiofuranosyl-beta-D-glucopyranoside. Structures were elucidated by spectroscopic analyses. |
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| Keywords: | Crepidiastrum lanceolatum Asteraceae Sesquiterpene glucoside Guaiane Lanceocrepidiaside |
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