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2005
Oxazole derivatives
R 0220
Effective scCO2-Ionic Liquid Reaction System Based on Symmetric Aliphatic
Salts for the Rapid CO2 Fixation with Aziridine to 2-Oxazolidinone.
24- 117 Ammonium
— The hybrid reaction system, composed of supercritical carbon dioxide and room
temperature ionic liquid based on symmetric tetraalkyl ammonium salts, can effectively promote the carbon dioxide fixation from aziridine (I) to 2-oxazolidinone (III) in the
presence of iodine in high yield of 98% within 5 minutes. The turnover frequency
(TOF) value under these conditions is 254 times larger that using conventional organic
solvent. — (KAWANAMI*, H.; MATSUMOTO, H.; IKUSHIMA, Y.; Chem. Lett. 34
(2005) 1, 60-61; Supercrit. Fluid Res. Cent., Natl. Inst. Adv. Ind. Sci Tech., Miyagino,
Sendai 983, Japan; Eng.) — H. Haber
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