首页|ANTI-TOBACCO MOSAIC VIRUS CHROMONE DERIVATIVES FROM THE STEMS OF Nicotiana tabacum
ANTI-TOBACCO MOSAIC VIRUS CHROMONE DERIVATIVES FROM THE STEMS OF Nicotiana tabacum
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NSTL
Two new compounds(1 and 2),together with five known(3-7)chromone derivatives,were isolated from the sterns of Nicotiana tabacum(a gene-edited mutant cultivated by Yunnan China Tobacco Industry Co.,Ltd.).Their structures were elucidated by spectroscopic methods,including extensive ID and 2D NMR techniques.Compounds 1,2,and 7 were tested for their anti-tobacco mosaic virus(anti-TMV)activity.The results showed that compound 1,2,and 7 exhibited high anti-TMV activities with inhibition rates of 38.4,43.5,and 33,6% at the concentration of 20 μM.These rates are higher than that of positive control.
NSTL
