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Volumn 47, Issue 44, 2008, Pages 8464-8467

Hydrogenation of quinolines using a recyclable phosphine-free chiral cationic ruthenium catalyst: Enhancement of catalyst stability and selectivity in an ionic liquid

Author keywords

Asymmetric catalysis; Hydrogenation; Ionic liquids; Quinolines

Indexed keywords

CATALYSIS; CATALYST SELECTIVITY; CHEMICAL REACTIONS; CHEMICAL REACTIVITY; ENANTIOSELECTIVITY; HYDROGENATION; IONIZATION OF LIQUIDS; IONS; PHOSPHORUS COMPOUNDS; RUTHENIUM;

EID: 54249139518     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200802237     Document Type: Article
Times cited : (275)

References (67)
  • 1
  • 16
    • 0031029991 scopus 로고    scopus 로고
    • For selected examples of asymmetric hydrogenation in ionic liquids, see: a
    • For selected examples of asymmetric hydrogenation in ionic liquids, see: a) A. L. Monteiro, F. K. Zinn, R. F. de Souza, J. Dupont, Tetrahedron: Asymmetry 1997, 8, 177;
    • (1997) Tetrahedron: Asymmetry , vol.8 , pp. 177
    • Monteiro, A.L.1    Zinn, F.K.2    de Souza, R.F.3    Dupont, J.4
  • 26
    • 29144521717 scopus 로고    scopus 로고
    • For recent reviews, see: a
    • For recent reviews, see: a) F. Glorius, Org. Biomol. Chem. 2005, 3, 4171;
    • (2005) Org. Biomol. Chem , vol.3 , pp. 4171
    • Glorius, F.1
  • 28
    • 21244463410 scopus 로고    scopus 로고
    • for selected examples, see: c
    • for selected examples, see: c) C. Legault, A. Charette, J. Am. Chem. Soc. 2005, 127, 8966;
    • (2005) J. Am. Chem. Soc , vol.127 , pp. 8966
    • Legault, C.1    Charette, A.2
  • 40
    • 33750175116 scopus 로고    scopus 로고
    • For asymmetric transfer hydrogenation of quinolines with organocatalysts, see: a
    • For asymmetric transfer hydrogenation of quinolines with organocatalysts, see: a) M. Rueping, A. P. Antonchick, T. Theissmann, Angew. Chem. 2006, 118, 3765;
    • (2006) Angew. Chem , vol.118 , pp. 3765
    • Rueping, M.1    Antonchick, A.P.2    Theissmann, T.3
  • 44
    • 0000910778 scopus 로고
    • For selected examples of phosphine-free catalysts used for homogeneous hydrogenation reactions, see: a
    • For selected examples of phosphine-free catalysts used for homogeneous hydrogenation reactions, see: a) C. A. Willoughby, S. L. Buchwald, J. Am. Chem. Soc. 1994, 116, 8952;
    • (1994) J. Am. Chem. Soc , vol.116 , pp. 8952
    • Willoughby, C.A.1    Buchwald, S.L.2
  • 51
    • 33748655210 scopus 로고    scopus 로고
    • C. a Sandoval, T. Ohkuma, N. Utsumi, K. Tsutsumi, K. Murata, R. Noyori, Chem. Asian J. 2006, 1, 102;
    • b) C. a Sandoval, T. Ohkuma, N. Utsumi, K. Tsutsumi, K. Murata, R. Noyori, Chem. Asian J. 2006, 1, 102;
  • 56
    • 33746783621 scopus 로고    scopus 로고
    • For solvent-induced reversal of enantioselectivity, see: a
    • For solvent-induced reversal of enantioselectivity, see: a) S. Arseniyadis, A. Valleix, A. Wagner, C. Mioskowski, Angew. Chem. 2004, 116, 3376;
    • (2004) Angew. Chem , vol.116 , pp. 3376
    • Arseniyadis, S.1    Valleix, A.2    Wagner, A.3    Mioskowski, C.4
  • 59
    • 54249089988 scopus 로고    scopus 로고
    • Similar observations were made for Rh- and Ir-catalysts in the asymmetric hydrogenation reactions; see Refs, 3c] and [3e
    • Similar observations were made for Rh- and Ir-catalysts in the asymmetric hydrogenation reactions; see Refs. [3c] and [3e].
  • 63
    • 54249129490 scopus 로고    scopus 로고
    • When toluene was used as a co-solvent for the hydrogenation of 2n under otherwise identical reaction conditions, similar chemoselectivity and enantioselectivity was observed but a slightly lower conversion into 3n was obtained (72% yield, 96% ee, and 24% starting material).
    • When toluene was used as a co-solvent for the hydrogenation of 2n under otherwise identical reaction conditions, similar chemoselectivity and enantioselectivity was observed but a slightly lower conversion into 3n was obtained (72% yield, 96% ee, and 24% starting material).
  • 65
    • 54249104263 scopus 로고    scopus 로고
    • As expected, hydrogenation of 3-methylquinoline catalyzed by (S,S)-1a in ionic liquid gave a racemic mixture of products. See the Supporting Information for details.
    • As expected, hydrogenation of 3-methylquinoline catalyzed by (S,S)-1a in ionic liquid gave a racemic mixture of products. See the Supporting Information for details.
  • 67
    • 2942544978 scopus 로고    scopus 로고
    • For a recent review on catalytic ionic hydrogenation, see
    • For a recent review on catalytic ionic hydrogenation, see: R. M. Bullock, Chem. Eur. J. 2004, 10, 2366.
    • (2004) Chem. Eur. J , vol.10 , pp. 2366
    • Bullock, R.M.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.