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Paper | Regular issue | Vol 29, No. 9, 1989, pp.1797-1808
Published online, 1st January, 1970■ Alkaloids from Cynanchum hancockianum (Maxim.) Al. Iljimski. (Asclepidaceae)
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5053
■ Alkaloids from Cynanchum hancockianum (Maxim.) Al. Iljimski. (Asclepidaceae)
Xian Li,* Junpen Peng, Masayuki Onda, Yaeko Konda, Mieko Iguchi, and Yoshihiro Harigaya
*School of Pharmaceutical Sciences, Kitasato University, Shirokane, Minato-ku, Tokyo 108-8641, Japan
Abstract
Two alkaloids have been isolated from Cynanchum hancockianum (Maxim.) Al. Iljinski. (Asclepiadaceae) grown in the Inner Mongolia. These alkaloids are identified to be antofine and de-6-O-methylantofine by a combination of highresolution (1H, 400 MHz; 13C, 100.6 MHz) nmr and chiroptical (ord and cd) spectroscopy.
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