| chemical constituents of glycosmis arborea: three new carbazole alkaloids and their biological activity. | as part of the phytochemical studies of the plant genus glycosmis, the constituents of the plant glycosmis arborea were investigated. three new carbazole alkaloids named glybomines a (1), b (2), and c (3), along with known monomeric alkaloids belonging to the carbazole, quinazoline, furoquinoline, quinolone, and acridone classes, were isolated from stems of the plant collected at mymensing in dhaka, bangladesh. glybomine a (1) is the first example of a 2,5-oxygenated carbazole alkaloid from natu ... | 2004 | 15387647 |