Chem. Pharm. Bull., 50(9),1290-1293, September 2002

Notes

Cussosaponins A-E, Triterpene Saponins from the Leaves of Cussonia racemosa, a Malagasy Endemic Plant

Liva HARINANTENAINA, Ryoji KASAI, and Kazuo YAMASAKI^*

Division of Medicinal Chemistry, Graduate School of Biomedical Sciences, Hiroshima University; 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan. * To whom correspondence should be addressed. e-mail: kazuoy@hiroshima-u.ac.jp

  Five new triterpene saponins, cussosaponins A (2), B (3), C (4), D (5), and E (6), were isolated from the dried leaves of Cussonia racemosa BAKER. The structures of these new compounds were deduced on the basis of chemical and spectroscopic evidence.

Key words Cussonia racemosa; cussosaponin; triterpene saponin; Araliaceae