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Volumn , Issue 4, 2005, Pages 603-606

Asymmetric Michael addition of arylthiols to α,β-unsaturated carbonyl compounds catalyzed by bifunctional organocatalysts

Author keywords

Asymmetric Michael addition; Asymmetric protonation; Bifunctional organocatalyst; Hydrogen bonding; Thiourea

Indexed keywords

CARBONYL DERIVATIVE; THIOL DERIVATIVE; THIOUREA DERIVATIVE;

EID: 15444366940     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2005-863710     Document Type: Article
Times cited : (359)

References (50)
  • 1
    • 4544221552 scopus 로고    scopus 로고
    • For recent reviews on organocatalysis involving hydrogen bonding, see: (a) Pihko, P. M. Angew. Chem. Int. Ed. 2004, 43, 2062.
    • (2004) Angew. Chem. Int. Ed. , vol.43 , pp. 2062
    • Pihko, P.M.1
  • 3
    • 4143095871 scopus 로고    scopus 로고
    • For recent reviews on organocatalysis by proline and proline derivatives, see: (a) List, B. Acc. Chem. Res. 2004, 37, 548.
    • (2004) Acc. Chem. Res. , vol.37 , pp. 548
    • List, B.1
  • 5
  • 16
    • 2542543701 scopus 로고    scopus 로고
    • and references therein
    • (b) For thiourea as ligand in transition metal-catalyzed reactions, see: Yang, D.; Chen, Y.-C.; Zhu, N.-Y. Org. Lett. 2004, 6, 1577; and references therein.
    • (2004) Org. Lett. , vol.6 , pp. 1577
    • Yang, D.1    Chen, Y.-C.2    Zhu, N.-Y.3
  • 23
    • 33751146774 scopus 로고    scopus 로고
    • For a review on enantioselective 1,4-addition of thiol to activated olefin, see: (a) Fehr, C. Angew. Chem., Int. Ed. Engl. 1996, 35, 2566.
    • (1996) Angew. Chem., Int. Ed. Engl. , vol.35 , pp. 2566
    • Fehr, C.1
  • 38
    • 4043107667 scopus 로고    scopus 로고
    • and references therein
    • (b) For enantioselective 1,4-addition with unsaturated imide, see: Sammis, G. M.; Danjo, H.; Jacobsen, E. N. J. Am. Chem. Soc. 2004, 126, 9928; and references therein,
    • (2004) J. Am. Chem. Soc. , vol.126 , pp. 9928
    • Sammis, G.M.1    Danjo, H.2    Jacobsen, E.N.3
  • 39
    • 15444365538 scopus 로고    scopus 로고
    • note
    • (c) We failed to get the desired Michael addition product using cinnamoyl-2-oxazolidinone as the receptor.
  • 42
    • 15444371028 scopus 로고    scopus 로고
    • note
    • HRMS data of new organocatalysts: 1a, 564.1770 (calcd 564.1782); 1b, 564.1781 (calcd 564.1782); 1f, 501.1853 (calcd 501.1861); 1g, 701.1728 (calcd 701.1734).
  • 43
    • 15444381292 scopus 로고    scopus 로고
    • note
    • R= 12.1 min, 75% ee).
  • 50
    • 15444375835 scopus 로고    scopus 로고
    • note
    • 8c


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.