Indonesian medicinal plants. XV. Chemical structures of five new resin-glycosides, merremosides a, b, c, d, and e, from the tuber of Merremia mammosa ( …

…, Y YOKoKAWA, M YOSHIKAWA, K OHASHI…

Index: Kitagawa, Isao; Baek, Nam In; Kawashima, Keiko; Yokokawa, Yoshihiro; Yoshikawa, Masayuki; Ohashi, Kazuyoshi; Shibuya, Hirotaka Chemical and Pharmaceutical Bulletin, 1996 ,  vol. 44,  # 9  p. 1680 - 1692

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Citation Number: 23

Abstract

Five new resin-glycosides, named merremosides a (1), b (2), c (3), d (4), and e (5), were isolated from the tuber of Merremia mammosa (LOUR.) HALLIER f.(Convolvulaceae), an Indonesian medicinal plant. The structures of 1, 2, 3, 4, and 5 have been elucidated on the basis of chamical and physicochemical evidence, including syntheses of (11S)-(+)-and (11R)-(-)-jalapniolic acid (16b and 18b) and the glycosidic acid designated as ...