Title
New Oxindole Alkaloids and Iridoid from Carolina jasmine (Gelsemium sempervirens AIT. f.)
Author
Mariko Kitajima, Akiko Urano, Noriyuki Kogure, Hiromitsu Takayama, Norio Aimi
Year
2003
Journal
Chemical and Pharmaceutical Bulletin
Abstract
Three new gelsedine-type oxindole alkaloids, GS-1, GS-2, and GS-3, and one new iridoid, GSIR-1, were isolated from the stems and leaves of cultivated Carolina jasmine (Gelsemium sempervirens AIT. f.) and their structures were determined by spectroscopic analysis.
Instrument
J-720
Keywords
Circular dichroism, Absolute configuration, Natural products, Pharmaceutical