Alkaloids from Piper sarmentosum and Piper nigrum
Detailed chemical studies on the roots of Piper sarmentosum and Piper nigrum have resulted in several alkaloids. The roots of P. sarmentosum gave a new aromatic compound, 1-nitrosoimino-2,4,5-trimethoxybenzene (1). Piper nigrum roots gave pellitorine (2), (E)-1-[3',4' (methylenedioxy)cinna...
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| Hlavní autoři: | , , , , , |
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| Médium: | Článek |
| Jazyk: | English |
| Vydáno: |
Taylor & Francis
2009
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| On-line přístup: | http://psasir.upm.edu.my/id/eprint/12986/1/Alkaloids%20from%20Piper%20sarmentosum%20and%20Piper%20nigrum.pdf |
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| Shrnutí: | Detailed chemical studies on the roots of Piper sarmentosum and Piper nigrum have resulted in several alkaloids. The roots of P. sarmentosum gave a new aromatic compound, 1-nitrosoimino-2,4,5-trimethoxybenzene (1). Piper nigrum roots gave pellitorine (2), (E)-1-[3',4' (methylenedioxy)cinnamoyl]piperidine (3), 2,4-tetradecadienoic acid isobutyl amide (4), piperine (5), sylvamide (6), cepharadione A (7), piperolactam D (8) and paprazine (9). Structural elucidation of these compounds was achieved through NMR and MS techniques. Cytotoxic activity screening of the plant extracts indicated some activity. |
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