Fitoterapia. 2002 Apr; 73(2): 135-9.

New neolignans from Talauma ovata.

Stefanello ME, Alvarenga MA, Toma IN.

Departamento de Química, Universidade Federal do Paraná, Caixa Postal 19.081, 81531-990, Curitiba, PR, Brazil. [email protected]

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).

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