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Communication | Regular issue | Vol 19, No. 6, 1982, pp.1047-1051
Published online, 1st January, 1970
DOI: 10.3987/R-1982-06-1047
Acridone Alkaloids IV. Structures of Four New Acridone Alkaloids from Glycosmis citrifolia (Willd.) Lindl

Tian-Shung Wu, Hiroshi Furukawa, and Chang-Sheng Kuoh

*Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tenpaku, Nagoya 468-8503, Japan

Abstract

Four new acridone alkaloids, glyfoline (2a), glycocitrine-I (4), -II (5a) and its O-methyl ether (5b) were isolated from the root- and stem-bark of Glycosmis citrifolia, and characterized. Glyfoline (2a) is the most oxygenated acridone alkaloid from natural sources.