New humantenine-type indole alkaloids with iridoid unit from Gelsemium species

作者：Kogure Noriyuki; Kobayashi Hiromi; Ishii Naoko; Kitajima Mariko; Wongseripipatana Sumphan; Takayama Hiromitsu^*

来源：Tetrahedron Letters, 2008, 49(22): 3638-3642.

DOI：10.1016/j.tetlet.2008.03.148

• indole alkaloid
• Gelsemium
• iridoid
• structure elucidation

Two new oxindole alkaloids, rankiniridine (1) and humanteniridine (2), having a nitrogen-carbon linkage between a humantenine-type monoterpenoid indole alkaloid and a monoterpene unit with an iridoid skeleton, were isolated from Gelsemium rankinii and Gelsemium elegans, respectively.

• 出版日期2008-5-26