New furocarbazole alkaloids from Lonicera quinquelocularis
Khan, Dilfaraz and Khan, Shafiullah and Badshah, Syed and Ullah, Hazrat and Ullah, Hamid and Muhammad, Zia and Woodward, Simon (2016) New furocarbazole alkaloids from Lonicera quinquelocularis. Natural Product Research, 30 (1). pp. 74-78. ISSN 1478-6427
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.
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