New neolignans from Talauma ovata.
The hexane extract of the bark of Talauma ovata yielded three new natural neolignans, identified as acetyl oleiferin-C (4), acetyl oleiferin-F (7) and acetyl oleiferin-G (8), together with the known compounds dihydroguaiaretic acid (1), austrobailignan-5 (2), oleiferin-C (3), austrobailignan-6 (5) and oleiferin-F (6).
Stefanello
Maria Elida A
ME
Departamento de Química, Universidade Federal do Paraná, Caixa Postal 19.081, 81531-990, Curitiba, PR, Brazil. elida@quimica.ufpr.ufpr.br
Alvarenga
Marden A
MA
Toma
Izaura N
IN
D006801:Humans; D017705:Lignans / Q000737:chemistry*; D029562:Magnoliaceae; D008517:Phytotherapy; D024301:Plant Bark; D010936:Plant Extracts / Q000737:chemistry*
D017705:Lignans; D010936:Plant Extracts