Andrei C C, Ferreira D T, Faccione M, de Moraes L A, de Carvalho M G, Braz-Filho R
Departamento de Química, CCE, Universidade Estadual de Londrina, PR, Brazil.
Phytochemistry. 2000 Dec;55(7):799-804. doi: 10.1016/s0031-9422(00)00371-x.
A 3',3'-di-(gamma,gamma-dimethylallyl)-2',4'-di-oxo-enolchalcone (tunicatachalcone) and five known C-prenylflavonoids were isolated and/or identified from the roots of Tephrosia tunicata. Their structures were established by spectral methods and chemical transformation.