메뉴 건너뛰기




Volumn 125, Issue 44, 2003, Pages 13490-13503

Mechanism of Asymmetric Hydrogenation of Ketones Catalyzed by BINAP/1,2-Diamine-Ruthenium(II) Complexes

Author keywords

[No Author keywords available]

Indexed keywords

ORGANIC BASE;

EID: 0242270864     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja030272c     Document Type: Article
Times cited : (592)

References (128)
  • 6
    • 0003939992 scopus 로고
    • Noels, A. F., Graziani, M., Hubert, A. J., Eds.; Kluwer: Dordrecht
    • (f) Metal Promoted Selectivity Organic Synthesis: Noels, A. F., Graziani, M., Hubert, A. J., Eds.; Kluwer: Dordrecht, 1991.
    • (1991) Metal Promoted Selectivity Organic Synthesis
  • 8
    • 0004159873 scopus 로고
    • Moser, W. R., Slocum, D. W., Eds.; American Chemical Society: Washington, DC
    • (h) Homogeneous Transition Metal Catalyzed Reactions; Moser, W. R., Slocum, D. W., Eds.; American Chemical Society: Washington, DC, 1992.
    • (1992) Homogeneous Transition Metal Catalyzed Reactions
  • 10
    • 0003625966 scopus 로고
    • Abel, E. W., Stone, F. G. A., Wilkinson, G., Hegedus, L. S., Eds.; Elsevier: Oxford
    • (j) Comprehensive Organometallic Chemistry II; Abel, E. W., Stone, F. G. A., Wilkinson, G., Hegedus, L. S., Eds.; Elsevier: Oxford, 1995; Vol. 12.
    • (1995) Comprehensive Organometallic Chemistry II , vol.12
  • 12
    • 0003748618 scopus 로고    scopus 로고
    • Murahashi, S., Davies, S. G., Eds.; Blackwell Science: Oxford
    • (l) Transition Metal Catalysed Reactions; Murahashi, S., Davies, S. G., Eds.; Blackwell Science: Oxford, 1999.
    • (1999) Transition Metal Catalysed Reactions
  • 14
    • 0242386865 scopus 로고    scopus 로고
    • Horváth. I. T., Ed.; Wiley-Interscience: New Jersey
    • (n) Encyclopedia of Catalysis: Horváth. I. T., Ed.; Wiley-Interscience: New Jersey, 2003: Vols. 1-6.
    • (2003) Encyclopedia of Catalysis , vol.1-6
  • 16
    • 0003445429 scopus 로고    scopus 로고
    • Jacobsen, E. N., Pfaltz, A., Yamamoto, H., Eds.; Springer: Berlin; Chapter 6.1
    • (a) Ohkuma, T.; Noyori, R. In Comprehensive Asymmetric Catalysis; Jacobsen, E. N., Pfaltz, A., Yamamoto, H., Eds.; Springer: Berlin, 1999; Vol. 1, Chapter 6.1.
    • (1999) Comprehensive Asymmetric Catalysis , vol.1
    • Ohkuma, T.1    Noyori, R.2
  • 26
    • 0242323912 scopus 로고    scopus 로고
    • note
    • BINAP = 2,2′-bis(diphenylphosphino)-1,1′-binaphthyl; XylBINAP = 2,2′-bis(di-3,5-xylylphosphino)-1,1′-binaphthyl; TolBINAP = 2,2′-bis(di-4-tolylphosphino)-1,1′-binaphthyl; DPEN = 1,2-diphenylethylenediamine.
  • 47
    • 0242323884 scopus 로고    scopus 로고
    • Chapter 2 of ref 2
    • (b) Chapter 2 of ref 2.
  • 51
    • 0242386839 scopus 로고    scopus 로고
    • note
    • Unless otherwise stated, the S,SS-configurated complex is used throughout this paper for the sake of formal consistency and simplicity. In the actual experiment, the R,RR enantiomer may have been utilized.
  • 63
    • 0242355315 scopus 로고    scopus 로고
    • note
    • 6-cymene).12
  • 64
    • 0242292278 scopus 로고    scopus 로고
    • note
    • 2 has a trigonal bipyramidal geometry (private communication from Professor Masashi Yamakawa, Kinjo Gakuin University).
  • 71
    • 0242323879 scopus 로고    scopus 로고
    • note
    • The lower values obtained at ca. S/C > 10 000 are considered to be the result of substrate/product solvent inhibition under the required experimental conditions (discussed below; see Supporting Information) as the 2-propanol: acetophenone/phenylethanol ratio nears 1:1 (v/v).
  • 79
    • 0242386835 scopus 로고    scopus 로고
    • note
    • 2CDOD containing no base.
  • 80
    • 0242292279 scopus 로고    scopus 로고
    • note
    • 2 and the RuH hydride itself in 4 undergo rapid H/D exchange.
  • 83
    • 0242386834 scopus 로고    scopus 로고
    • note
    • + peak may partly result from protonation of 8 under the ESI-TOFMS experimental conditions.
  • 84
    • 0242355311 scopus 로고    scopus 로고
    • note
    • The required high concentration (16 mM) for NMR measurement is unrealistic. Consequently, noninvolved species, shown not to participate in ketone reduction, were observed (Supporting Information).
  • 91
    • 0242323880 scopus 로고    scopus 로고
    • note
    • 2.
  • 92
    • 0242355307 scopus 로고    scopus 로고
    • note
    • The initial velocity for acetophenone hydrogenation by (R,RR)-4 steadily decreases with increasing tert-butyl alcohol content for 2-propanol/tert-butyl alcohol solvent mixtures (Supporting Information).
  • 93
    • 0242355301 scopus 로고    scopus 로고
    • note
    • + from (R,RR)-4 were also observed. The formation is faster with (S)-1-phenylethanol (>95% after 18 h) than with the enantiomer (<95% after 36 h) (see Supporting Information).
  • 94
    • 0242355305 scopus 로고    scopus 로고
    • note
    • 7.
  • 95
    • 0242386838 scopus 로고    scopus 로고
    • note
    • Under such conditions, hydrogenation proceeds easily even when (S,SS)-5 is used as a precatalyst coupled with [16] = 8.2 or 18.0 mM.
  • 96
    • 0242355306 scopus 로고    scopus 로고
    • note
    • 2 ligand on Ru is deprotonated by the alcoholic media.21
  • 98
    • 0009355418 scopus 로고
    • Holt, Reinhart and Winston: New York
    • (b) Fleck, G. M. Equilibria in Solution; Holt, Reinhart and Winston: New York. 1966.
    • (1966) Equilibria in Solution
    • Fleck, G.M.1
  • 99
    • 0242355310 scopus 로고    scopus 로고
    • note
    • a value of 16.5.
  • 100
    • 0242323883 scopus 로고    scopus 로고
    • note
    • 2 systems.22
  • 108
    • 0002703891 scopus 로고
    • Repulsion of the filled p and d orbitals has also been postulated: Caulton. K. G. New J. Chem. 1994, 18, 25-41.
    • (1994) New J. Chem. , vol.18 , pp. 25-41
    • Caulton, K.G.1
  • 109
    • 0242355312 scopus 로고    scopus 로고
    • note
    • Asymmetric hydrogenation of certain ketones such as 2.4,4-trimethyl-2-cyclohexenone requires the S/R,R of R/S,S combination.4.6
  • 113
    • 1542639278 scopus 로고
    • For the structural feature of the BINAP ligands, see: Noyori, R. Science 1990, 248, 1194-1199.
    • (1990) Science , vol.248 , pp. 1194-1199
    • Noyori, R.1
  • 114
    • 33845376733 scopus 로고
    • The Ru center binding increases the amine proton acidity. Ammonium-π(aryl) interactions are well established: (a) Meot-Ner, M.; Deakyne, C. A. J. Am. Chem. Soc. 1985, 107, 468-474.
    • (1985) J. Am. Chem. Soc. , vol.107 , pp. 468-474
    • Meot-Ner, M.1    Deakyne, C.A.2
  • 121
    • 0242355302 scopus 로고    scopus 로고
    • note
    • Detailed analysis is required to define the exact nature of the NH/aryl attractive force as well as the interacting sites.
  • 122
    • 0242386836 scopus 로고    scopus 로고
    • note
    • 2(diphosphine)(diamine) complexes.53a
  • 123
    • 0242386837 scopus 로고    scopus 로고
    • note
    • Enantioselective hydrogenation of benzaldehyde-1-d remains difficult.
  • 124
    • 0242355309 scopus 로고    scopus 로고
    • note
    • 2[(S)-binap][(S,S)-dpen] and its S,RR diasteriomer have a comparable stability.61
  • 126
    • 0242292276 scopus 로고    scopus 로고
    • note
    • A similar but alkaline metal-mediated six-membered TS was proposed for reaction using the dichloro Ru complex 5 and alkaline metal alkoxides.22.23b
  • 127
    • 0003883870 scopus 로고    scopus 로고
    • VCH: Weinheim
    • The significance of "thermodynamic" supramolecular chemistry, in which noncovalent interactions including hydrogen bonds are utilized largely for the stabilizing ground-state molecular assemblies, has been well documented over the last two decades. See: Lehn, J.-M. Supramolecular Chemistry: Concepts and Perspectives; VCH: Weinheim, 1999.
    • (1999) Supramolecular Chemistry: Concepts and Perspectives
    • Lehn, J.-M.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.