메뉴 건너뛰기




Volumn 11, Issue 13, 2009, Pages 2848-2851

Asymmetrie tandem michael addition-wittig reaction to cyclohexenone annulation

Author keywords

[No Author keywords available]

Indexed keywords

(3 CARBOXY 2 OXOPROPYLIDENE)TRIPHENYLPHOSPHORANE; (3-CARBOXY-2-OXOPROPYLIDENE)TRIPHENYLPHOSPHORANE; ALDEHYDE; AMINE; CYCLOHEXANONE DERIVATIVE; PHOSPHORANE DERIVATIVE;

EID: 67649506359     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol9010568     Document Type: Article
Times cited : (50)

References (44)
  • 6
    • 67649572010 scopus 로고    scopus 로고
    • For a few examples of chiral phosphorus ylides in asymmetric synthesis, see
    • For a few examples of chiral phosphorus ylides in asymmetric synthesis, see:
  • 11
    • 10844252156 scopus 로고    scopus 로고
    • Pinho e Melo, T. M. V. D.; Cardoso, A. L.; d'A. RochaGonsalves, A. M.; Pessoa, J. C.; Paixão, J. A.; Beja, A. M. Eur. J. Org. Chem. 2004, 4830.
    • (e) Pinho e Melo, T. M. V. D.; Cardoso, A. L.; d'A. RochaGonsalves, A. M.; Pessoa, J. C.; Paixão, J. A.; Beja, A. M. Eur. J. Org. Chem. 2004, 4830.
  • 12
    • 0041701378 scopus 로고    scopus 로고
    • Pinho e Melo, T. M. V. D.; Cardoso, A. L.; d'A. Rocha Gonsalves, A. M.; Storr, R. C.; Pessoa, J. C.; Paixão, J. A.; Beja, A. M.; Silva, M. R. Tetrahedron Lett. 2003, 44, 6409.
    • (f) Pinho e Melo, T. M. V. D.; Cardoso, A. L.; d'A. Rocha Gonsalves, A. M.; Storr, R. C.; Pessoa, J. C.; Paixão, J. A.; Beja, A. M.; Silva, M. R. Tetrahedron Lett. 2003, 44, 6409.
  • 17
    • 67649569787 scopus 로고    scopus 로고
    • For the applications of phosphorus ylides in [3, 3] type reactions, see
    • For the applications of phosphorus ylides in [3 + 3] type reactions, see:
  • 21
    • 67649521729 scopus 로고    scopus 로고
    • See ref 2a
    • (d) See ref 2a.
  • 23
    • 67649572009 scopus 로고    scopus 로고
    • For reviews on iminium catalysis, see
    • For reviews on iminium catalysis, see:
  • 26
    • 67649561927 scopus 로고    scopus 로고
    • For selected examples for the construction of chiral cyclohexenones by aminocatalysis, see
    • For selected examples for the construction of chiral cyclohexenones by aminocatalysis, see:
  • 31
    • 67649565103 scopus 로고    scopus 로고
    • For reviews on organocatalytic tandem reaction, see
    • For reviews on organocatalytic tandem reaction, see:
  • 34
    • 33845505476 scopus 로고    scopus 로고
    • For a review on α,α-diarylprolinol ethers catalysis, see
    • For a review on α,α-diarylprolinol ethers catalysis, see: Palomo, C.; Mielgo, A. Angew. Chem., Int. Ed. 2006, 45, 7876.
    • (2006) Angew. Chem., Int. Ed , vol.45 , pp. 7876
    • Palomo, C.1    Mielgo, A.2
  • 35
    • 67649552521 scopus 로고    scopus 로고
    • For Michael addition of 1,3-dicarbonyl compounds to enals via iminium. catalysis, see:
    • For Michael addition of 1,3-dicarbonyl compounds to enals via iminium. catalysis, see:
  • 39
    • 67649568458 scopus 로고    scopus 로고
    • See ref 7a,b
    • (d) See ref 7a,b.
  • 43
    • 67649570783 scopus 로고    scopus 로고
    • For solvent screenings with catalyst If: DCM, 64% yield, 65% ee; THF, 50% yield, 73% ee; dioxane, 54% yield, 77% ee; MeCN, 61% yield, 74% ee (all dr ratios were less than 10:1).
    • For solvent screenings with catalyst If: DCM, 64% yield, 65% ee; THF, 50% yield, 73% ee; dioxane, 54% yield, 77% ee; MeCN, 61% yield, 74% ee (all dr ratios were less than 10:1).
  • 44
    • 67649524713 scopus 로고    scopus 로고
    • For the synthesis of the bulky catalyst Ig, see the Supporting Information
    • For the synthesis of the bulky catalyst Ig, see the Supporting Information.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.