Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 616-43-3, is researched, SMILESS is CC1=CNC=C1, Molecular C5H7NJournal, Food Chemistry called Elucidation of the mechanism of pyrrole formation during thermal degradation of 13C-labeled L-serines, Author is Yaylayan, V. A.; Keyhani, A., the main research direction is serine Maillard reaction pyrrole pyrazine.Recommanded Product: 616-43-3.
Pyrolysis of [13C-1], [13C-2] and [13C-3]-labeled L-serines generated mono-substituted Me and Et derivatives of pyrroles and pyrazines among other compounds Analyses of label incorporation into the pyrroles have indicated their formation through aldol condensation of acetaldehyde with different α-aminocarbonyl compounds followed by cyclization and loss of water (Knorr pyrrole synthesis). Comparison of the label incorporation patterns of the α-aminocarbonyls involved in the formation of Me and ethyl-substituted pyrroles with that of similarly substituted pyrazines, revealed their common origin. In addition, α-aminocarbonyls involved in the formation of 2- and 3-substituted pyrroles had identical label distribution patterns, indicating their formation through the same carbonyl precursors. Furthermore, the major pathway (55%) leading to the formation of the α-aminocarbonyl precursors of methyl-substituted pyrroles involved aldol addition of formaldehyde to glycolaldehyde, whereas the only pathway leading to the formation of the α-aminocarbonyl precursors of ethyl-substituted pyrroles involved the interaction of alanine – formed in situ – with glycolaldehyde.
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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