N,N ',N ''-triferuloylspermidine, a new UV absorbing polyamine derivative from pollen of Hippeastrum x hortorum

A new hydroxycinnamoyl polyamine derivative. N,N ' ,N " -triferuloylspermid ine (= (E)-N-(4-aminobutyl)-3,3 ' ,3 " -tris(4-hydroxy-3-methoxyphenyl)-N,N ' ,N "-(butane-1,4-diyl)tris [prop-2-enamide]) (1) was detected in the H2O /MeOH extract of pollen from Hippeastrum x hortorum. The compound was ident ified by on-line-coupled high-performance liquid chromatography and atmosph eric-pressure chemical-ionization mass spectrometry (HPLC-UV(DAD)/APCI-MS a nd MS/MS). The structure was proven by comparing the HPLC/MS data after UV- induced (E) reversible arrow (Z) photoisomerization and catalytic hydrogena tion of the natural compound and the synthetic reference compound. This is the first report of a triferuloylspermidine in nature.