A convenient synthesis method of 5-oxopyrazolo[4,3-b]pyridine-6-carboxylic acids and their nitriles
Sign Up to like & getrecommendations! Published in 2019 at "Chemistry of Heterocyclic Compounds"
DOI: 10.1007/s10593-019-02603-5
Abstract: N-Boc-protected 5-formyl-1H-pyrazol-4-amines react with malonic acid in pyridine in the presence of pyrrolidine at 45–50°С or with malonic acid monomethyl ether in the presence of pyrrolidine in AcOH under reflux with the formation of 5-oxo-4,5-dihydro-1Hpyrazolo[4,3-b]pyridine-6-carboxylic… read more here.
Keywords: presence pyrrolidine; carboxylic acids; pyridine; pyridine carboxylic ... See more keywords
Iron(II) complex of 2-(1H-pyrazol-1-yl)pyridine-4-carboxylic acid (ppCOOH) suitable for surface deposition
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Coordination Chemistry"
DOI: 10.1080/00958972.2018.1430790
Abstract: Abstract The synthesis, structural and magnetic characterization of the tris iron(II) complex of 2-(1H-pyrazol-1-yl)pyridine-4-carboxylic acid (ppCOOH) ligand are reported in [Fe(ppCOOH)3](ClO4)2·0.5H2O·2EtOH. Single crystal structure and magnetic characterization of the bulk compound show that the low-spin… read more here.
Keywords: iron complex; pyrazol pyridine; pyridine carboxylic; carboxylic acid ... See more keywords
Synthesis, crystal structure, and BSA interaction with a new Co(II) complex based on 5-(trifluoromethyl)pyridine-2-carboxylic acid
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DOI: 10.1080/00958972.2019.1663836
Abstract: Abstract A new complex, Co(Htpc)2(H2O)2 (1) (Htpc = 5-(trifluoromethyl)pyridine-2-carboxylic acid), has been synthesized and characterized by X-ray single-crystal diffraction, elemental analysis, infrared spectral analysis, and thermogravimetric analysis. Meanwhile, the optimized geometric structure of the ligand… read more here.
Keywords: pyridine carboxylic; carboxylic acid; trifluoromethyl pyridine; structure ... See more keywords