A novel phenylpropanoid-substituted catechin glycoside glabraoside A 1 and a new dihydrochalcone 3'-(7"-allylphenyl)-2',4',4"-trihydroxy-6'-methoxydihydrochalcone 2 were isolated from the herbs of Sarcandra gl...A novel phenylpropanoid-substituted catechin glycoside glabraoside A 1 and a new dihydrochalcone 3'-(7"-allylphenyl)-2',4',4"-trihydroxy-6'-methoxydihydrochalcone 2 were isolated from the herbs of Sarcandra glabra. Their structures were elucidated on the basis of spectroscopic analyses and chiroptical methods.展开更多
A new dihydrochalcone glucoside, vacciniifolin, along with confusoside, trilobatin and sieboldin were isolated from the leaves of Symplocos vacciniifolia. By the method of spectral analysis, this new compound was eluc...A new dihydrochalcone glucoside, vacciniifolin, along with confusoside, trilobatin and sieboldin were isolated from the leaves of Symplocos vacciniifolia. By the method of spectral analysis, this new compound was elucidated as 2 3,4,4 -tetrahydroxydihydrochalcone 4 -O-a-D-glu- , copyranoside.展开更多
Three dihydrochalcones derivatives 1-3, flavone 4 and phenanthrene derivative 5 were isolated, together with 9 known compofinds, from the air-dried root bark of Fissistigma bracteolatum Chatterjee. Their structures we...Three dihydrochalcones derivatives 1-3, flavone 4 and phenanthrene derivative 5 were isolated, together with 9 known compofinds, from the air-dried root bark of Fissistigma bracteolatum Chatterjee. Their structures were determined by spectroscopic (NMR, MS) and chemical methodologies.展开更多
基金the National Natural Science Foundation of China (No. 20432030) for financial support.
文摘A novel phenylpropanoid-substituted catechin glycoside glabraoside A 1 and a new dihydrochalcone 3'-(7"-allylphenyl)-2',4',4"-trihydroxy-6'-methoxydihydrochalcone 2 were isolated from the herbs of Sarcandra glabra. Their structures were elucidated on the basis of spectroscopic analyses and chiroptical methods.
文摘A new dihydrochalcone glucoside, vacciniifolin, along with confusoside, trilobatin and sieboldin were isolated from the leaves of Symplocos vacciniifolia. By the method of spectral analysis, this new compound was elucidated as 2 3,4,4 -tetrahydroxydihydrochalcone 4 -O-a-D-glu- , copyranoside.
文摘Three dihydrochalcones derivatives 1-3, flavone 4 and phenanthrene derivative 5 were isolated, together with 9 known compofinds, from the air-dried root bark of Fissistigma bracteolatum Chatterjee. Their structures were determined by spectroscopic (NMR, MS) and chemical methodologies.