Complete assignments of 1H and 13C NMR spectral data for arylnaphthalene lignana lactones

In this work we describe the complete H-1 and C-13 NMR analyses of three arylnaphtalene lignan lactones (taiwanin C, 4-methyl dehydroretrodendrin and justicidin B) using modern NMR techniques such as gCOSY, nonedited gHSQC, gHMBC and NOE experiments. Complete assignment and homonuclear hydrogen coupling constant measurements were performed. Copyright 2007 John Wiley & Sons, Ltd.