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Orthoamides and Iminium Salts, LXXXVI [1]. Synthesis and Characterization of N-ω-Aminoalkyl-Substituted Guanidines and Their use for CO2 Capturing

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The N-ω-aminoalkyl-guanidines 7c–7d and the heterocyclic guanidines 9a–9c were obtained by reacting the chloroformamidinium chlorides 2a–2c with the diamines 3a, b in the presence of trietylamine after deprotonation of the corresponding guanidinium salts 4–6 with aqueous sodium hydroxide solution. The guanidinium chlorides 4c, 6b were converted to the corresponding tetraphenylborates 10 and 11, whose crystal structures have been determined. By reacting the N-3-methyl-aminopropyl-guanidine 7d with CO2 the N-(guanidinio-propyl) carbamic acid hydrogen carbonate 13 could be obtained as an ionic liquid.

Keywords: AMINOGUANIDINES; CARBAMIC ACID DERIVATIVES; CO2 CAPTURING; CRYSTAL STRUCTURES; GUANIDINIUM SALTS; HETEROCYCLIC GUANIDINES

Document Type: Research Article

Publication date: 01 September 2013

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  • Advanced Chemistry Letters is an international multidisciplinary peer-reviewed journal covering all fundamental and applied research areas of chemical sciences including organic chemistry, inorganic chemistry, synthetic chemistry, medicinal chemistry, analytical chemistry, organometallic chemistry, nuclear chemistry, electrochemistry, atmospheric chemistry, environmental chemistry, materials chemistry, materials science, supramolecular chemistry, physical chemistry, polymer chemistry, bioinorganic chemistry, physical organic chemistry, surface chemistry, biochemistry, molecular biology, chemical biology, food chemistry, natural product chemistry, neurochemistry, pharmacology, photochemistry, photobiology, toxicology, nanoscience, nanotechnology, agrochemistry, green chemistry, marine chemistry, geochemistry, petrochemistry, radiochemistry, astrochemistry, molecular physics, chemical engineering, quantum chemistry, and theoretical and computational chemistry.
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