1 Seddon, K.R., “ Ionic liquids for clean technology”, J. Chem. Technol.Biotechnol., 68, 351 (1997). 2 Acevedo, O., “Determination of local effects for chloroaluminate ionic liquids on Diel-Alder reactions”, J. Mol. Graphics Modell., 28, 95-101 (2009). 3 DeCastro, C., Sauvage, E., Valkenberg, M.H., H lderich, W.F., “Immobilised ionic liquids as Lewis acid catalysts for the alkylation of aromatic compounds with dodecene”, J. Catal., 196, 86-94 (2000). 4 Shen, Z.L., He, X.J., Mo, W.M., Xie, Y., Hu, B.X., Sun, N., “Synthesis of α-hydroxy esters by glyoxylate-ene reaction in lewis acid chloroaluminate ionic liquids”, Chin. J. Catal., 27 (3), 197-199 (2006). 5 Kumar, A., Pawar, S.S., “The DABCO-catalysed Baylis-Hillman reactions in the chloroaluminate room temperature ionic liquids:rate promoting and recyclable media”, J. Mol. Catal. A:Chem., 211, 43-47 (2004). 6 Boon, J.A., Levisky, J.A., Pflug, J.L., Wilkes, J.S., “Friedel crafts reactions at ambient-temperature molten-salts”, J. Org. Chem., 51 (58), 480-483 (1986). 7 Lee, C.W., “Diels-Alder reactions in chloroaluminate ionic liquids:acceleration and selectivity enhancement”, Tetrahedron Lett., 40, 2461-2464 (1999). 8 Tang, J., Osteryoung, R., “Formation and electrochemistry of polyaniline in ambient-temperature molten salts”, Synth. Met., 45 (11), 1-13 (1991). 9 Kumar, A., Pawar, S.S., “Catalyzing Henry reactions in chloroaluminate ionic liquids”, J. Mol. Catal. A:Chem., 235, 244-248 (2005). 10 Abbott, A.P., Capper, G., Davies, D.L., Munro, H.L., Rasheed, R.K., Tambyrajah, V., “Preparation of novel, moisture-stable, Lewis-acidic ionic liquids containing quaternary ammonium salts with functional side chains”, Chem. Commun., 2010-2011 (2001). 11 Abbott, A.P., Capper, G., Mckenzie, K.J., Ryder, K.S., “Electrodeposition of zinc-tin alloys from deep eutectic solvents based on choline chloride”, J. Electroanal. Chem., 599, 288-294 (2007). 12 Morales, R.C., Tambyrajah, V., Jenkins, P.R., Davies, D.L., Abbott, A.P., “The regiospecific Fischer indole reaction in choline chloride·2ZnCl2 with product isolation by direct sublimation from the ionic liquid”, Chem. Commun., 158-159 (2004). 13 Duan, Z.Y., Gu, Y.L., Deng, Y.Q., “Green and moisture-stable Lewis acidic ionic liquids(choline chloride·xZnCl2) catalyzed protection of carbonyls at room temperature under solvent-free conditions”, Catal. Commun., 7, 651-656 (2006). 14 Abbott, A.P., Capper, G., Davies, D.L., Rasheed, R.K., Tambyrajah, V., “Quaternary ammonium zinc-or tin-containing ionic liquids:water insensitive, recyclable catalysts for Diels-Alder reactions”, Green Chem., 4, 24-26 (2002). 15 Earle, M.J., Seddon, K.R., Plechkova, N.V., “Production of bio-diesel”, Eur. Pat., EP1866086 (2006). 16 Zhang, S.J., Sun, J., Zhang, J.M., “The preparation of biodiesel based on ionic liquid”, CN Pat., 200510082972.0 (2005). 17 Wu, Q., Chen, H., Han, M.H., Wang, D.Z., Wang, J.F., “Transesterification of cottonseed oil catalyzed by Br nsted acidic ionic liquids”, Ind. Eng. Chem. Res., 46, 7955-7960 (2007). 18 Parry, E.P., “An infrared study of pyridine adsorbed on acidic solids, characterisation of surface acidity”, J. Catal., 2, 371-379 (1963). 19 Wu, Q., Dong, B.Q., Han, M.H., Xin, H.L., Jin, Y., “Studies on acidity of chloroaluminate ionic liquids using pyridine as infrared spectroscopic probe”, Chin. J. Anal. Chem., 9 (34), 1323-1326 (2006). 20 Bourne, K.H., Cannings, F.R., Pitkethly, R.C., “Structure and properties of acid sites in a mixed-oxide system (I) Synthesis and infrared characterization”, J. Phys. Chem., 74 (10), 2197-2205 (1970). 21 Abbott, A.P., Capper, G., Davies, D.L., Rasheed, R.K., “Ionic liquids based upon metal halide/substituted quaternary ammonium salt mixtures”, Inorg. Chem., 43, 3447-3452 (2004). 22 Wang, X.H., Tao, G.H., Wu, X.M., Kou, Y., “Investigation of the acidity of ionic liquids by IR spectroscopy”, Acta Phys. Chim. Sin., 21 (5), 528-533 (2005). (in Chinese) 23 Wu, Q., Chen, H., Han, M.H., “Preparation of biodiesel oil from cottonseed oil catalyzed by ionic liquids”, Petrochem. Technol., 35 (6), 583-586 (2006). (in Chinese) 24 Wang, W.K., Bao, Z.H., “Preparation of biodiesel from soybean oil catalyzed by aluminum chloride-based ionic liquid”, China Oils and Fats, 32 (9), 51-53 (2007). (in Chinese) 25 Yi, W.L., Han, M.H., Wu, Q., Jin, Y., “Preparation of biodiesel from waste oil catalyzed with Br nsted acid ionic liquid”, Chin. J. Process. Eng., 8 (6), 1144-1148 (2007). (in Chinese) 26 Li, H.P., Wang, Q.Y., Lan, X.Q., Wang, X., Song, H., “Preparation of biodiesel from rapeseed oil catalyzed by ionic liquid [Hmim]HSO4”, China Oils and Fats, 33 (4), 57-59 (2008). (in Chinese) 27 Han, M.H., Yi, W.L., Wu, Q., Hong, Y.C., Wang, D.Z., “Preparation of biodiesel from waste oils catalyzed by a Br nsted acidic ionic liquid”, Bioresour. Technol., 100, 2308-2310 (2009). |