BERGENIN DERIVAVTIVES FROM MALLOTUS JAPONICUS

Article abstract of DOI:10.1016/S0031-9422(00)82451-6

Three new bergenin derivatives were isolated from the bark of Mallotus japonicus and determined to be 11-O-galloylbergenin, 4-O-galloylbergenin and 11-O-galloyldemethylbergenin.The 13C resonances of bergenin were fully assigned.Key Word Index - Mallotus japonicus; Euphorbiaceae; polyphenols; 11-O-galloylbergenin; 4-O-galloylbergenin; 11-O-galloyldemethylbergenin; geraniin; methylellagic acid; 13C NMR.