Chem. Pharm. Bull.

Chem. Pharm. Bull., 47(6),869-875, June 1999

Regular Articles

Pregnane Glycosides from Marsdenia tomentosa¹⁾

Fumiko ABE,^a Hikaru OKABE,^a Tatsuo YAMAUCHI,^*,a Keiichi HONDA,^b and Nanao HAYASHI b

Faculty of Pharmaceutical Sciences, Fukuoka University,^a 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan, Faculty of Integrated Arts and Sciences, Hiroshima University,^b 1-7-1 Kagamiyama, Higashihiroshima 739-8521, Japan.

Sixteen glycosides of polyoxypregnanes, including two new pregnanes, isokidjoladinin and isotemontosin, were isolated from the leaves and caules of Marsdenia tomentosa collected in Fukuoka. The structures of fourteen new glycosides were elucidated and named marstomentosides A-N.

Key words polyoxypregnane glycoside; Marsdenia tomentosa; Asclepiadaceae; marstomentoside

Regular Articles

Pregnane Glycosides from Marsdenia tomentosa1)

Fumiko ABE,a Hikaru OKABE,a Tatsuo YAMAUCHI,*,a Keiichi HONDA,b and Nanao HAYASHI b

Faculty of Pharmaceutical Sciences, Fukuoka University,a 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan, Faculty of Integrated Arts and Sciences, Hiroshima University,b 1-7-1 Kagamiyama, Higashihiroshima 739-8521, Japan.

Pregnane Glycosides from Marsdenia tomentosa¹⁾

Fumiko ABE,^a Hikaru OKABE,^a Tatsuo YAMAUCHI,^*,a Keiichi HONDA,^b and Nanao HAYASHI b

Faculty of Pharmaceutical Sciences, Fukuoka University,^a 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan, Faculty of Integrated Arts and Sciences, Hiroshima University,^b 1-7-1 Kagamiyama, Higashihiroshima 739-8521, Japan.