LIGNAN DERIVATIVES FROM THE LEAVES NICOTIANA TABACUM AND THEIR ACTIVITIES

[摘要]：Two new lignan derivatives, nicotnorlignan A and nicotlactone A (1, 2), together with two known lignan derivatives (3, 4) were isolated from the leaves of Nicotiana tabacum. Their structures were elucidated by spectroscopic methods, including extensive 1D- and 2D-NMR techniques. Compounds 1-4 were tested for their anti-HIV-1 activity and anti-tobacco mosaic virus activities. The results showed compound 2 has high anti-tobacco mosaic virus activities, and all other compounds have modest anti-HIV-1 activity and anti-tobacco mosaic virus activities.

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