Synthesis, structure, spectroscopic studies and magnetic properties of Cu2N2O4-, Cu2N2O2(S2)-, Cu2N2S4-chromophores based on aminomethylene derivatives of pyrazole-5-one(thione)
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DOI: 10.1016/j.poly.2020.114623
Abstract: Abstract The aminomethylene derivatives of pyrazole-5-one (6) and pyrazole-5-thione (7) were synthesized in the reaction of 2-aminophenol (4) with corresponding 1-phenyl-3-methyl-5-X-pyrazole-4-carbaldehyde (1, X = hydroxy) or (2, X = sulfanyl). Reaction of 2-aminobenzenethiol (5) with 1-R-3-methyl-5-sulfanyl-pyrazole-4-carbaldehydes (2, R = phenyl… read more here.
Keywords: aminomethylene derivatives; pyrazole one; thione; spectroscopy ... See more keywords
New insights into the reactivity of aminomethylene derivatives of resorc[4]arene: amine group transfer, conformational analysis, reaction mechanism
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DOI: 10.1039/d2ra04610e
Abstract: Using the example of aminomethylene derivatives of resorc[4]arene and their Michael reaction with 4-hydroxycoumarin, the possibility of transferring an amine molecule from substrate to product is demonstrated. The conformation of the aminocoumarin derivatives of resorc[4]arene… read more here.
Keywords: reaction; reaction mechanism; conformational analysis; resorc arene ... See more keywords