Phenanthridine alkaloids from Zanthoxylum madagascariense Page 1 Phytochemical
communication Phenanthridine alkaloids from Zanthoxylum madagascariense MT Martinb …

The isolation and structural determination of an alkaloid isolated from the stem bark of
Strychnos guianensis is described. Elucidation of its structure is based mainly on 1D and 2D …

Four new alkaloids, 17-hydroxyhomodaphniphyllic acid (1), daphcalycinosidine C (2, a new
iridoid alkaloid), yuzurimine E (3), and yuzurimic acid B (4), were isolated from the seeds of …

Abstract Stephaoxocanidine (2), an isoquinoline alkaloid, was isolated from the tubers of
Stephania cepharantha Hayata (Menispermaceae) cultivated in Japan. On the basis of …

The known alkaloids N-methylcorydine and magnoflorine were major constituents of stems
and branches of Zanthoxylum punctatum (Rutaceae). Berberine was the major alkaloid of Z …

A novel pyranoquinoline alkaloid 3, 4-dihydro-3-hydroxy-5-methoxy-2, 2, 10-trimethylpyrano
[2, 3-b] quinoline named tabouensinium chloride (1), was isolated from the stem bark of …

From the leaves oí Adhatoda vasica, the pyrrolo [2, 1 bjquinazoline alkaloids/-vasicine [1],/-
vasicinone [2],/-vasicol [31, anisotine [7], 3-hydroxyanisotine [8], and a new alkaloid …

Five new yuzurimine-type alkaloids, yunnandaphnines A− E (2− 6), together with two known
analogues, macrodaphniphyllamine (1) and calycinine A (7), have been isolated from the …

From the roots of Plumbago zeylanica, two new naphthoquinones, 3, 8-dihydroxy-6-methoxy-
2-iso-propyl-1, 4-naphthoquinone and 5, 7-dihydroxy-8-methoxy-2-methyl-1, 4 …

Four new naphthylisoquinoline alkaloids, ancistrotectoriline A (1), ancistrotectoriline B (2), 6-
O-methyl-4 '-O-demethylancistrocladine (3), and 6-O-methyl-4 '-O-demethylhamatine (4) …