New iridoids from Gelsemium species
New iridoids from Gelsemium species
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DOI:
10.1248/cpb.56.870
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发表时间:
2008-06-01
影响因子:
1.7
通讯作者:
Takayama, Hiromitsu
中科院分区:
文献类型:
--
作者:
Kogure, Noriyuki;Ishii, Naoko;Takayama, Hiromitsu
Four new iridoids structurally related to gelsemide (5) were isolated from two Loganiaceous plants, Gelsemium elegans and G. rankinii. Among them, GEIR-1 (1) has a novel tetracyclic caged structure.