메뉴 건너뛰기




Volumn 131, Issue 26, 2009, Pages 9140-9141

Brønsted base/Lewis acid cooperative catalysis in the enantioselective Conia-ene reaction

Author keywords

[No Author keywords available]

Indexed keywords

BIFUNCTIONAL; CHEMICAL EQUATIONS; COOPERATIVE CATALYSIS; ENANTIOCONTROL; ENANTIOSELECTIVE; ENE REACTION; IN-SITU; KETOESTER; METAL-ION COMPLEXES; PRECATALYSTS; TRIFLATE;

EID: 67649973788     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9004859     Document Type: Article
Times cited : (162)

References (28)
  • 1
    • 44349168328 scopus 로고    scopus 로고
    • Recent reviews: a
    • Recent reviews: (a) Connon, S. J. Chem. Commun. 2008, 2499.
    • (2008) Chem. Commun , pp. 2499
    • Connon, S.J.1
  • 8
    • 39649125196 scopus 로고    scopus 로고
    • Selected examples: (a) Hasegawa, Y.; Watanabe, M.; Gridnev, I. D.; Ikariya, T. J. Am. Chem. Soc. 2008, 130, 2158.
    • Selected examples: (a) Hasegawa, Y.; Watanabe, M.; Gridnev, I. D.; Ikariya, T. J. Am. Chem. Soc. 2008, 130, 2158.
  • 23
    • 1842637760 scopus 로고    scopus 로고
    • Metal-catalyzed Conia-ene reactions: (a) Au: Kennedy-Smith, J. J.; Staben, S. T.; Toste, F. D. J. Am. Chem. Soc. 2004, 126, 4526.
    • Metal-catalyzed Conia-ene reactions: (a) Au: Kennedy-Smith, J. J.; Staben, S. T.; Toste, F. D. J. Am. Chem. Soc. 2004, 126, 4526.
  • 24
    • 20444465253 scopus 로고    scopus 로고
    • Ni: Gao, Q.; Zheng, B.-F.; Li, J.-H.; Yang, D. Org. Lett. 2005, 7, 2185.
    • (b) Ni: Gao, Q.; Zheng, B.-F.; Li, J.-H.; Yang, D. Org. Lett. 2005, 7, 2185.
  • 25
    • 85119803353 scopus 로고    scopus 로고
    • Cu: Bouyssi, D.; Monteiro, N.; Balme, G. Tetrahedron Lett. 1999, 40, 1297.
    • (c) Cu: Bouyssi, D.; Monteiro, N.; Balme, G. Tetrahedron Lett. 1999, 40, 1297.
  • 26
    • 67649911306 scopus 로고    scopus 로고
    • We postulate that the Lewis acidity of the metal-ion complex was poisoned by strong ligation to the thiourea
    • We postulate that the Lewis acidity of the metal-ion complex was poisoned by strong ligation to the thiourea.
  • 27
    • 67649933092 scopus 로고    scopus 로고
    • At high copper(I) loadings, saturation of the bridgehead nitrogen presumably reduces the amount of Brønsted base required for enolate formation
    • At high copper(I) loadings, saturation of the bridgehead nitrogen presumably reduces the amount of Brønsted base required for enolate formation.
  • 28
    • 67649905062 scopus 로고    scopus 로고
    • The reaction was quenched and analyzed after 3 h (25% conversion, E/Z = 94:6) to minimize the extent of Cu(I)-promoted H/D exchange processes in 5 prior to cyclization.
    • The reaction was quenched and analyzed after 3 h (25% conversion, E/Z = 94:6) to minimize the extent of Cu(I)-promoted H/D exchange processes in 5 prior to cyclization.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.