2-Phenyl-4-quinolinone Alkaloids from Casimiroa edulis Llave et Lex (Rutaceae) |
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Authors: | Amal E M Khaleel |
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Institution: | (1) Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt, EG |
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Abstract: | Summary. Three new 4-quinolinone alkaloids (5,6-dimethoxy-2-(3-methoxyphenyl)-1H-quinolin-4-one, 5,6-dimethoxy-2-(3,4-dimethoxyphenyl)-1H-quinolin-4-one, 5,6-dimethoxy-2-(2,5,6-trimethoxyphenyl)-1H-quinolin-4-one) were isolated from the leaves of Casimiroa edulis Llave et Lex (Rutaceae) cultivated in Egypt. Their structures were determined by UV/Vis, IR, 1H and 13C NMR, and EI mass spectroscopy. The alkaloids were also detected in the kernels of the seeds.
Received May 28, 2001. Accepted (revised) July 24, 2001 |
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Keywords: | , ,Quinolinone alkaloids, Natural products, Spectroscopy, |
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