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Volumn 76, Issue 5, 2011, Pages 1472-1474

Organocatalytic direct asymmetric vinylogous Michael reaction of an α,β-unsaturated γ-butyrolactam with enones

Author keywords

[No Author keywords available]

Indexed keywords

BIFUNCTIONAL; DIASTEREO- AND ENANTIOSELECTIVITY; MICHAEL ADDITIONS; MICHAEL REACTIONS; ORGANOCATALYTIC; TERTIARY AMINE;

EID: 79952132240     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo102223v     Document Type: Article
Times cited : (79)

References (45)
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    • For the reactions of α,α-dicyanoalkene, see a recent review:;, Selected examples:;;;;; Org. Lett. 2005, 5293
    • For the reactions of α,α-dicyanoalkene, see a recent review: Cui, H.-L.; Chen, Y.-C. Chem. Commun. 2009, 4479 Selected examples: Xue, D.; Chen, Y.-C.; Wang, Q.-W.; Cun, L.-F.; Zhu, J.; Deng, J.-G. Org. Lett. 2005, 7, 5293
    • (2009) Chem. Commun. , vol.7 , pp. 4479
    • Cui, H.-L.1    Chen, Y.-C.2    Xue, D.3    Chen, Y.-C.4    Wang, Q.-W.5    Cun, L.-F.6    Zhu, J.7    Deng, J.-G.8
  • 42
    • 19544393388 scopus 로고    scopus 로고
    • For the original report on the application of cinchona alkaloid-based thiourea catalysts for the activation of chalcones, see
    • For the original report on the application of cinchona alkaloid-based thiourea catalysts for the activation of chalcones, see: Vakulya, B.; Varga, S.; Csámpai, A.; Soós, T. Org. Lett. 2005, 7, 1967
    • (2005) Org. Lett. , vol.7 , pp. 1967
    • Vakulya, B.1    Varga, S.2    Csámpai, A.3    Soós, T.4
  • 44
    • 79952157328 scopus 로고    scopus 로고
    • As shown in Figure 2, the ee values of isolated 3q′ (40% yield) and recovered 3q (55% yield) were both kept as 99% after epimerization, indicating that only the chiral center of C5 in 3q was epimerised in the presence of DBU. See Supporting Information for characterization details.
    • As shown in Figure 2, the ee values of isolated 3q′ (40% yield) and recovered 3q (55% yield) were both kept as 99% after epimerization, indicating that only the chiral center of C5 in 3q was epimerised in the presence of DBU. See Supporting Information for characterization details.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.