Biotransformation of chalcones by the endophytic fungus Aspergillus flavus isolated from Paspalum maritimum trin

Journal of the Brazilian Chemical Society

Borges, Fábio C¹  Santos, Alberdan S¹  Guilhon, Giselle M. S. P¹  Alves, Cláudio N¹  Brasil, Davi S. B¹  Arruda, Mara S. P¹  Santos, Lourivaldo S¹  Nunes, Fátima M¹  Universidade Federal do Pará, Belém, Brazil¹  Bitencourt, Heriberto R¹  Marinho, Andrey M. R¹  Corrêa, Marivaldo J. C¹ 

关键词: biotransformations;    Aspergillus flavus;    Paspalum maritimum;    chalcones;    dihydrochalcones;   

DOI  :  10.1590/S0103-50532011000700019

学科分类：化学（综合）

来源: SciELO

【 摘 要 】

The fungus Aspergillus flavus isolated as endophytic of the plant Paspalum maritimum Trin. was evaluated for its potential application in biotransformation reactions. The compounds chalcone (1), 3,4,5-trimethoxychalcone (2) and 2,3,4,4'-tetramethoxychalcone (3) were biotransformed, respectively, in dihydrochalcone (4), 3,4,5-trimethoxydihydrochalcone (5) and 2,3,4,4'-tetramethoxydihydrochalcone (6). The structures were elucidated by spectroscopic methods including 1D and 2D NMR techniques, and MS analysis. The dihydrochalcones 5 and 6 are new compounds.

【 授权许可】

Unknown