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Volumn 73, Issue 3, 2008, Pages 801-812

Carbon-centered strong bases in phosphonium ionic liquids

Author keywords

[No Author keywords available]

Indexed keywords

BENZOIN CONDENSATION; TETRAALKYLPHOSPHONIUM IONS;

EID: 38849178824     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo701289d     Document Type: Article
Times cited : (96)

References (81)
  • 1
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    • (1996) ACS Symp. Ser , vol.626
    • Williamson, P.T.1    Anastas, C.T.2
  • 8
    • 38849167205 scopus 로고    scopus 로고
    • It should be noted that under specific conditions, some ILs are, in fact, combustible. However, the bulk properties of an IL are dramatically different than, for example, fine mists which in many ways are comparable to normal solvent vapors
    • (a) It should be noted that under specific conditions, some ILs are, in fact, combustible. However, the bulk properties of an IL are dramatically different than, for example, fine mists which in many ways are comparable to normal solvent vapors.
  • 11
    • 38849123330 scopus 로고    scopus 로고
    • Daniel Joseph Henderson Philip Bruce Brzozowski, Jeffrey Richard Pearlstein, Ronald Martin,
    • U.S. Patent 2006060817
    • Tempel, Daniel Joseph Henderson Philip Bruce Brzozowski, Jeffrey Richard Pearlstein, Ronald Martin, U.S. Patent 2006060817, 2006.
    • (2006)
    • Tempel1
  • 12
    • 38849110516 scopus 로고    scopus 로고
    • +
    • Proton or hydrogen atom abstraction reactions are common in aqueous and nonaqueous media, We recognize, however, that these decompositions can often result in the formation of the truly active species in select reactions
    • +. In ILs, such reactions can also occur, but these lead to decomposition and contamination of the IL. We recognize, however, that these decompositions can often result in the formation of the truly active species in select reactions.
    • ILs, such reactions can also occur, but these lead to decomposition and contamination of the IL
  • 13
    • 38849132632 scopus 로고    scopus 로고
    • There have been numerous reports dealing with the hydrolysis of anions, particularly tetrafluoroborate and hexafluorophosphate. These reactions do cause significant problems and perhaps most important is the evolution of HF which can damage glass and metal
    • (a) There have been numerous reports dealing with the hydrolysis of anions, particularly tetrafluoroborate and hexafluorophosphate. These reactions do cause significant problems and perhaps most important is the evolution of HF which can damage glass and metal.
  • 17
    • 38849115511 scopus 로고    scopus 로고
    • Imidazolium-based ionic liquids (ImILs, specifically tetrachloroaluminate (III) salts, have been classified as acidic or basic depending on the relative amount of Cl-/AlCl3 in the material, the anion [Al2Cl7, is a source of AlCl3 which is a good Lewis acid for catalysis. We use the term acidic to emphasize the high reactivity of the C-H fragment in ImILs, which, with strong bases, behave as protic acids
    • 3 which is a good Lewis acid for catalysis. We use the term "acidic" to emphasize the high reactivity of the C-H fragment in ImILs, which, with strong bases, behave as protic acids.
  • 65
    • 0034700228 scopus 로고    scopus 로고
    • For chemistry of stabilized Wittig reagents in ILs see
    • For chemistry of stabilized Wittig reagents in ILs see: Le Boulaire, V.; Gree, R. Chem. Commun 2000, 2195-2196.
    • (2000) Chem. Commun , pp. 2195-2196
    • Le Boulaire, V.1    Gree, R.2
  • 81
    • 38849101372 scopus 로고    scopus 로고
    • Frisch, M. J, Tracks, G. W, Schlegel, H. B, Scuseria, G. B, Robb, M. A, Cheeseman, J. R, Zakrzewski, V. G, Montgomery, J. A, Jr, Stratmann, R. E, Burant, J. C, Dapprich, S, Millam, J. M, Daniels, A. D, Kudin, K. N, Strain, M. C, Farkas, O, Tomasi, J, Barone, V, Cossi, M, Cammi, R, Mennucci, B, Pomelli, C, Adamo, C, Clifford, S, Ochterski, J, Petersson, G. A, Ayala, P. Y, Cui, Q, Morokuma, K, Rega, N, Salvador, P, Dannenberg, J. J, Malick, D. K, Rabuck, A. D, Raghavachari, K, Foresman, J. B, Cioslowski, J, Ortiz, J. V, Baboul, A. G, Stefanov, B. B, Liu, G, Liashenko, A, Piskorz, P, Komaromi, I, Gomperts, R, Martin, R. L, Fox, D. J, Keith, T, Al-Laham, M. A, Peng, C. Y, Nanayakkara, A, Challacombe, M, Gill, P. M. W, Johnson, B, Chen, W, Wong, M. W, Andres, J. L, Gonzalez, C, Head-Gordon, M, Replogle, E. S, Pople, J. A. Gaussian 98, Revision A.11.3; Gaussian, Inc, Pittsburgh, PA, 2002
    • Frisch, M. J.; Tracks, G. W.; Schlegel, H. B.; Scuseria, G. B.; Robb, M. A.; Cheeseman, J. R.; Zakrzewski, V. G.; Montgomery, J. A., Jr.; Stratmann, R. E.; Burant, J. C.; Dapprich, S.; Millam, J. M.; Daniels, A. D.; Kudin, K. N.; Strain, M. C.; Farkas, O.; Tomasi, J.; Barone, V.; Cossi, M.; Cammi, R.; Mennucci, B.; Pomelli, C.; Adamo, C.; Clifford, S.; Ochterski, J.; Petersson, G. A.; Ayala, P. Y.; Cui, Q.; Morokuma, K.; Rega, N.; Salvador, P.; Dannenberg, J. J.; Malick, D. K.; Rabuck, A. D.; Raghavachari, K.; Foresman, J. B.; Cioslowski, J.; Ortiz, J. V.; Baboul, A. G.; Stefanov, B. B.; Liu, G.; Liashenko, A.; Piskorz, P.; Komaromi, I.; Gomperts, R.; Martin, R. L.; Fox, D. J.; Keith, T.; Al-Laham, M. A.; Peng, C. Y.; Nanayakkara, A.; Challacombe, M.; Gill, P. M. W.; Johnson, B.; Chen, W.; Wong, M. W.; Andres, J. L.; Gonzalez, C.; Head-Gordon, M.; Replogle, E. S.; Pople, J. A. Gaussian 98, Revision A.11.3; Gaussian, Inc.: Pittsburgh, PA, 2002.


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