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New furocarbazole alkaloids from Lonicera quinquelocularis
Dilfaraz Khan1, Shafiullah Khan1,2, Syed Badshah1
1a Department of Chemistry, Gomal University , Dera Ismail Khan, 29050 KPK , Pakistan.
Natural Product Research
|July 15, 2015
Abstract:
Two new furocarbazole alkaloids, 3-formyl-6,7-dimethoxy-furo[1,2]carbazole (1) and methyl-6,7-dimethoxy-furo[1,2]carbazole-3-carboxylate (2), along with two known carbazole alkaloids, 3-formyl-2-hydroxy-7-methoxycarbazole (3) and methyl 2,7-dimethoxycarbazole-3-carboxylate (4) were isolated from the ethyl acetate soluble fraction of Lonicera quinquelocularis. Their structures were established on the basis of spectroscopic analysis.
