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Volumn 49, Issue 49, 2010, Pages 9460-9464

Quinidine thiourea-catalyzed aldol reaction of unactivated ketones: Highly enantioselective synthesis of 3-alkyl-3-hydroxyindolin-2-ones

Author keywords

aldol reaction; enantioselectivity; ketones; organocatalysis; reaction mechanisms

Indexed keywords

ALDOL REACTIONS; ASYMMETRIC ALDOL REACTIONS; CARBONYL COMPOUNDS; ENAMINES; ENANTIOSELECTIVE SYNTHESIS; ENOLATES; ORGANOCATALYSIS; REACTION MECHANISM;

EID: 78650157659     PISSN: 14337851     EISSN: 15213773     Source Type: Journal    
DOI: 10.1002/anie.201004161     Document Type: Article
Times cited : (188)

References (65)
  • 2
    • 11844259698 scopus 로고    scopus 로고
    • (Ed.: R. Mahrwald), Wiley-VCH, Weinheim.
    • Modern Aldol Reactions (Ed.:, R. Mahrwald,), Wiley-VCH, Weinheim, 2004.
    • (2004) Modern Aldol Reactions
  • 4
    • 78650103505 scopus 로고    scopus 로고
    • For selected reviews, see
    • For selected reviews, see
  • 7
    • 0037043180 scopus 로고    scopus 로고
    • B. List, Tetrahedron 2002, 58, 5573-5590
    • (2002) Tetrahedron , vol.58 , pp. 5573-5590
    • List, B.1
  • 10
    • 78650092616 scopus 로고    scopus 로고
    • For examples of tertiary amine-mediated diastereoselective aldol reactions involving enolates of activated ketones, see
    • For examples of tertiary amine-mediated diastereoselective aldol reactions involving enolates of activated ketones, see
  • 13
    • 78650144044 scopus 로고    scopus 로고
    • For examples of chiral Brønsted base-catalyzed aldol reactions, see
    • For examples of chiral Brønsted base-catalyzed aldol reactions, see
  • 19
    • 77955668363 scopus 로고    scopus 로고
    • For an example of organocatalyzed enantioselective aldol reaction involving an enol intermediate, see
    • For an example of organocatalyzed enantioselective aldol reaction involving an enol intermediate, see:, G. Pousse; F. Le Cavelier, L. Humphreys, J. Rouden, J. Blanchet, Org. Lett. 2010, 12, 3582-3585
    • (2010) Org. Lett. , vol.12 , pp. 3582-3585
    • Le Cavelier, G.P.F.1    Humphreys, L.2    Rouden, J.3    Blanchet, J.4
  • 25
    • 78650109677 scopus 로고    scopus 로고
    • 3, see
    • 3, see
  • 29
    • 78650119549 scopus 로고    scopus 로고
    • For examples, see
    • For examples, see
  • 41
    • 78650125512 scopus 로고    scopus 로고
    • For examples, see
    • For examples, see
  • 48
    • 78650159882 scopus 로고    scopus 로고
    • For selected reviews on thiourea catalysis, see
    • For selected reviews on thiourea catalysis, see
  • 52
    • 33646468489 scopus 로고    scopus 로고
    • Angew. Chem. Int. Ed. 2006, 45, 1520-1543
    • (2006) Angew. Chem. Int. Ed. , vol.45 , pp. 1520-1543
  • 55
    • 78650113905 scopus 로고    scopus 로고
    • The ee value of 12 a could be improved to 89 % by further dropping the reaction temperature to -15 °C, but the yield obtained was impractical.
    • The ee value of 12 a could be improved to 89 % by further dropping the reaction temperature to -15 °C, but the yield obtained was impractical.
  • 56
    • 78650076403 scopus 로고    scopus 로고
    • For examples of organocatalyzed aldol reaction of aryl methyl ketones with a proline-derived tetrazole, see
    • For examples of organocatalyzed aldol reaction of aryl methyl ketones with a proline-derived tetrazole, see
  • 58
    • 2942641357 scopus 로고    scopus 로고
    • with a pyrrolidine sulfonamide, see
    • Angew. Chem. Int. Ed. 2004, 43, 1983-1986; with a pyrrolidine sulfonamide, see
    • (2004) Angew. Chem. Int. Ed. , vol.43 , pp. 1983-1986
  • 62
    • 54849194200 scopus 로고    scopus 로고
    • For an example that leads to the syn aldol product, see
    • For an example that leads to the syn aldol product, see:, T. Kano, Y. Yamaguchi, Y. Tanaka, K. Maruoka, Angew. Chem. 2007, 119, 1768-1770
    • (2007) Angew. Chem. , vol.119 , pp. 1768-1770
    • Kano, T.1    Yamaguchi, Y.2    Tanaka, Y.3    Maruoka, K.4
  • 63
    • 34250821619 scopus 로고    scopus 로고
    • Angew. Chem. Int. Ed. 2007, 46, 1738-1740.
    • (2007) Angew. Chem. Int. Ed. , vol.46 , pp. 1738-1740
  • 65
    • 78650146991 scopus 로고    scopus 로고
    • The ee value may be increased to >99.5 % ee by a single recrystallization with a 65 % recovery.
    • The ee value may be increased to >99.5 % ee by a single recrystallization with a 65 % recovery.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.