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Volumn 48, Issue 49, 2007, Pages 8590-8594

Enantioselective conjugate addition of dialkylzinc to cyclic enones catalyzed by chiral binaphthyldiamine-copper(I) complexes

Author keywords

[No Author keywords available]

Indexed keywords

2 CYCLOHEXENONE; ALKYL GROUP; COPPER COMPLEX; DIALKYLZINC; UNCLASSIFIED DRUG; ZINC DERIVATIVE;

EID: 35748962623     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2007.10.061     Document Type: Article
Times cited : (13)

References (73)
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    • Pioneering works with N,N-ligands, P,N-ligands, and P,O,N-ligands
    • Pioneering works with N,N-ligands, P,N-ligands, and P,O,N-ligands. Hu X., Chen H., and Zhang X. Angew. Chem., Int. Ed. 38 (1999) 3518
    • (1999) Angew. Chem., Int. Ed. , vol.38 , pp. 3518
    • Hu, X.1    Chen, H.2    Zhang, X.3
  • 43
    • 0001884490 scopus 로고    scopus 로고
    • Multi-functionalized polymetallic catalyses
    • Multi-functionalized polymetallic catalyses. Oshima K. J. Organomet. Chem. 575 (1999) 1
    • (1999) J. Organomet. Chem. , vol.575 , pp. 1
    • Oshima, K.1
  • 58
    • 14844349853 scopus 로고    scopus 로고
    • In the course of our study, functionalized polymetallic catalyses for carbonyl compounds have been reported
    • In the course of our study, functionalized polymetallic catalyses for carbonyl compounds have been reported. Hatano M., Matsumura T., and Ishihara K. Org. Lett. 7 (2005) 573
    • (2005) Org. Lett. , vol.7 , pp. 573
    • Hatano, M.1    Matsumura, T.2    Ishihara, K.3
  • 66
    • 35748953052 scopus 로고    scopus 로고
    • note
    • The combined use of 1 and 6 or 2 and 6 was not effective, and 2 was obtained in poor yield and low enantioselectivities (<10% ee).
  • 67
    • 35748937291 scopus 로고    scopus 로고
    • note
    • 2Zn with 5 mol % of CuCl and 10 mol % of 6 did not proceed at 0 °C for 5 h.
  • 68
    • 35748930492 scopus 로고    scopus 로고
    • note
    • 2O), to give the desired products (2) in 95% yield (119.9 mg). The enantiomeric purity was determined by GC on chiral column (γ-TA) (76% ee, S).
  • 69
    • 0034596803 scopus 로고    scopus 로고
    • 2Zn (1.0 M solution in heptane) were used in the reaction without further solvents. Similar procedures using two different organozinc reagents in the enantioselective phenylation of aldehydes have been reported
    • 2Zn (1.0 M solution in heptane) were used in the reaction without further solvents. Similar procedures using two different organozinc reagents in the enantioselective phenylation of aldehydes have been reported. Bolm C., Hermanns N., Hildebrand J.P., and Muñiz K. Angew. Chem., Int. Ed. 39 (2000) 3465
    • (2000) Angew. Chem., Int. Ed. , vol.39 , pp. 3465
    • Bolm, C.1    Hermanns, N.2    Hildebrand, J.P.3    Muñiz, K.4
  • 72
    • 35748929891 scopus 로고    scopus 로고
    • note
    • Enantioselective conjugate addition of dialkylzinc to acyclic enones, such as chalcone and diethyl 2-ethylidenemalonate, catalyzed by Cu(II)/5/6 system gave the corresponding products in low yields with low enantioselectivities (<20% ee).
  • 73
    • 35748946266 scopus 로고    scopus 로고
    • note
    • 2 did not occur.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.