Recommanded Product: 3-Methyl-1H-pyrrole. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 3-Methyl-1H-pyrrole, is researched, Molecular C5H7N, CAS is 616-43-3, about Organic geochemical studies of soils from Rothamsted Experimental Station: III. Nitrogen-containing organic matter in soil from Geescroft Wilderness. Author is van Bergen, Pim F.; Flannery, Matthew B.; Poulton, Paul R.; Evershed, Richard P..
Three distinct soil horizons from a mature oak dominated woodland were studied in order to determine the changes in the mol. composition of nitrogen-containing organic matter down a soil profile. The total amount of nitrogen relative to soil organic carbon increased down the profile with most of the recognizable nitrogen-containing compounds in the leaf litter and humic horizon being either amino acid or amino sugar derived. In contrast, a significant proportion of the organic nitrogen moieties in the mineral horizon appeared to contain macromol.-bound nitrogen which is believed to represent the socalled “”unknown”” soil organic nitrogen and is not obviously related to known biomols. The increase in total amino acids in the humic and mineral horizons indicated contributions from sources other than the leaf litter. The increase in organic nitrogen-containing moieties, most probably amino acids derived, accounted for the less depleted δ13C values observed in the mineral soil horizon.
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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate