摘要
A novel flavonoid was isolated from the root of Macrothelypteris torresiana （Gaud.） Ching. The structure of the product was identified as 5, 7-dihydroxy-2-（1, 2-isopropyldioxy-4-oxocyclohex-5-enyl）-chromen-4-one on the ground of chemical and spectro-scopic methods.2009 Jin Lan Ruan. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
A novel flavonoid was isolated from the root of Macrothelypteris torresiana （Gaud.） Ching. The structure of the product was identified as 5, 7-dihydroxy-2-（1, 2-isopropyldioxy-4-oxocyclohex-5-enyl）-chromen-4-one on the ground of chemical and spectro-scopic methods.2009 Jin Lan Ruan. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
