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Volumn 73, Issue 22, 2008, Pages 8973-8978

Second-generation DBFOX ligands for the synthesis of β-substituted α-amino acids via enantioselective radical conjugate additions

Author keywords

[No Author keywords available]

Indexed keywords

CHELATION; ENANTIOSELECTIVITY;

EID: 56449102340     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo801721z     Document Type: Article
Times cited : (25)

References (52)
  • 34
    • 0029866254 scopus 로고    scopus 로고
    • For syntheses of racemic β-substituted α-amino acids via radical conjugate additions, see: a
    • For syntheses of racemic β-substituted α-amino acids via radical conjugate additions, see: (a) Renaud, P.; Stojanovic, A. Tetrahedron Lett. 1996, 37, 2569.
    • (1996) Tetrahedron Lett , vol.37 , pp. 2569
    • Renaud, P.1    Stojanovic, A.2
  • 49
    • 0032497663 scopus 로고    scopus 로고
    • For an NMR study of Zn-DBFOX complexes with 3-acetyl-2-oxazolidinone, see: Kanemasa, S.; Oderaotoshi, Y.; Tanaka, J.; Wada, E. Tetrahedron Lett. 1998, 39, 7521.
    • For an NMR study of Zn-DBFOX complexes with 3-acetyl-2-oxazolidinone, see: Kanemasa, S.; Oderaotoshi, Y.; Tanaka, J.; Wada, E. Tetrahedron Lett. 1998, 39, 7521.
  • 50
    • 56449091921 scopus 로고    scopus 로고
    • Mintz, M. J.; Walling, C. Organic Syntheses; Wiley: New York, 1973; Collect. V, p 184. For best results, this reagent was used within two weeks of preparation.
    • Mintz, M. J.; Walling, C. Organic Syntheses; Wiley: New York, 1973; Collect. Vol. V, p 184. For best results, this reagent was used within two weeks of preparation.
  • 51
    • 56449130419 scopus 로고    scopus 로고
    • 2, 2 x 20 cm, 30-50% EtOAc in hexanes gradient elution) afforded 3a. In some cases, repeated chromatography was required to separate 3a from its undesired amino alcohol regioisomer and excess benzyl carbamate.
    • 2, 2 x 20 cm, 30-50% EtOAc in hexanes gradient elution) afforded 3a. In some cases, repeated chromatography was required to separate 3a from its undesired amino alcohol regioisomer and excess benzyl carbamate.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.