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[A new antiviral isoquinoline alkaloid from Thalictrum glandulosissimum]
Dian Luo1, Na Lyu1, Ling-Min Liao1
1College of Chinese National Medicine, Yunnan Minzu University Kunming 650500, China Technology Center, China Tobacco Yunnan Industrial Co., Ltd. Kunming 650106, China.
Abstract:
A new isoquinoline alkaloid(1) has been isolated from the whole plant of Thalictrum glandulosissimum by using various chromatographic techniques, including silica gel, sephadex, MCI-gel resin, and RP-HPLC, and its structure was determined as 1-(6-hydroxy-7-methylisoquinolin-1-yl) ethantone by physicochemical properties and spectroscopic data. This compound was evaluated for anti-tobacco mosaic virus(TMV) activity. The results showed that it had prominent anti-TMV activity with inhibition rates of 28.4%. This rate was closed to that of positive control.

