A new flavan-3-ol glucoside, (-)-afzelechin-7-O-β-D-glucopyranoside (1), has been isolated from the stem of Daphniphyllum oldhami. The structure of the new compound was elucidated on the basis of detailed spectroscop...A new flavan-3-ol glucoside, (-)-afzelechin-7-O-β-D-glucopyranoside (1), has been isolated from the stem of Daphniphyllum oldhami. The structure of the new compound was elucidated on the basis of detailed spectroscopie analysis and comparison with related compounds.展开更多
Potentilla viscosa J. Don is widely distributed over the districts of Baicheng and Yanbian in Jilin Province. The root of P. viscosa can be used for the treatment of hepatitis. In our chemical investigation of tannin,...Potentilla viscosa J. Don is widely distributed over the districts of Baicheng and Yanbian in Jilin Province. The root of P. viscosa can be used for the treatment of hepatitis. In our chemical investigation of tannin, we isolated seven compounds. Now we will describe them as follows.展开更多
文摘A new flavan-3-ol glucoside, (-)-afzelechin-7-O-β-D-glucopyranoside (1), has been isolated from the stem of Daphniphyllum oldhami. The structure of the new compound was elucidated on the basis of detailed spectroscopie analysis and comparison with related compounds.
文摘Potentilla viscosa J. Don is widely distributed over the districts of Baicheng and Yanbian in Jilin Province. The root of P. viscosa can be used for the treatment of hepatitis. In our chemical investigation of tannin, we isolated seven compounds. Now we will describe them as follows.