A new antibacterial dibenzofuran-type phloroglucinol from linn.

Our continuation on the bio-assay guided isolation from Linn. led to the discovery of a new dibezofuran type phloroglucinol 1,1'-(1,3,7,9-tetrahydroxydibenzo[b,d]furan-2,8-diyl)bis(ethan-1-one) . The structure was established through detailed spectroscopic studies including one and two dimensional NMR spectroscopy and electrospray ionization high resolution mass spectrometer (ESI-HRMS). The crude acetone extract from (AMA), dichloromethane fraction (DCM), and the isolated pure compound were tested against pathogenic bacteria. Compound displayed higher antibacterial activity against the Gram-positive and Gram-negative and respectively as compared to the crude extract and fractions.