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Anthraquinones from the Barks of Cassia alata and their Anti-Tobacco Mosaic Virus Activity

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Two new anthraquinones, alataquinones A and B (1 and 2), together with two known anthraquinones (3 and 4), were isolated from the barks of Cassia alata. Their structures were determined… Click to show full abstract

Two new anthraquinones, alataquinones A and B (1 and 2), together with two known anthraquinones (3 and 4), were isolated from the barks of Cassia alata. Their structures were determined by means of HR-ESI-MS and extensive 1D and 2D NMR spectroscopic studies. Compounds 1–4 were tested for their anti-tobacco mosaic virus (anti-TMV) activity. The results showed that compounds 1–4 exhibited moderate anti-TMV activity with inhibition rates in the range of 22.8–26.4%.

Keywords: tobacco mosaic; mosaic virus; anti tobacco; cassia alata; barks cassia; activity

Journal Title: Chemistry of Natural Compounds
Year Published: 2017

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