IR-, 1H-NMR- und 13C-NMR-spektroskopische Untersuchungen dioxanlöslicher Substanzen in Coniferenstreu

IR, ¹H and ¹³C NMR spectroscopic studies of dioxane soluble substances in coniferous litter Litter of mixed spruce and larch stands was extracted with dioxane. The extracts were studied by IR, ¹H NMR and ¹³C NMR spectroscopy. The NMR spectra revealed the dominance of aliphatic hydrocarbons. NMR peaks attributed to aromatic structures intensified after pressure extraction of the litter with dioxane. There is no conformity of the spectra of our dioxane soluble substances with spectra of lignin. Results of FTIR spectroscopic studies are in agreement with the NMR results.