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Volumn 8, Issue 4, 2006, Pages 769-772

A metallocene-pyrrolidinopyridine nucleophilic catalyst for asymmetric synthesis

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EID: 33644747186     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol053050n     Document Type: Article
Times cited : (101)

References (35)
  • 9
    • 0001652703 scopus 로고
    • Zh. Org. Khim. 1981, 17, 2588.
    • (1981) Zh. Org. Khim. , vol.17 , pp. 2588
  • 20
    • 33644780363 scopus 로고    scopus 로고
    • note
    • As an indicatior of the relative activity of D versus 3-substituted-4-aminopyridines, the former are generally used at 0 °C to catalyze alcohol acylation, whereas the latter may be employed at -78 °C.
  • 26
    • 33644754459 scopus 로고    scopus 로고
    • note
    • 2-symmetric 2,5-disubstituted pyrrolidines; see ref 6c.
  • 27
    • 33644748806 scopus 로고    scopus 로고
    • note
    • 2)] R1 = 0.0385, wR2 = 0.0880 and for all data R1 = 0.0605, wR2 = 0.0971.
  • 28
    • 33644764426 scopus 로고    scopus 로고
    • note
    • pR (5.14 ppm) enhancement ratio of > 23:1 (the latter was not observed).
  • 29
    • 0035911983 scopus 로고    scopus 로고
    • An alternative way to consider the stereochemical environment of the pyridine moiety is to regard it as being in an environment of virtual planar chirality. See: Jones, G.; Richards, C. J. Organometallics 2001, 20, 1251.
    • (2001) Organometallics , vol.20 , pp. 1251
    • Jones, G.1    Richards, C.J.2
  • 35
    • 0042819678 scopus 로고    scopus 로고
    • This has previously been successfully applied to the related rearrangement of O-acylated oxindoles, see: Hills, I. D.; Fu, G. C. Angew. Chem., Int. Ed. 2003, 42, 3921.
    • (2003) Angew. Chem., Int. Ed. , vol.42 , pp. 3921
    • Hills, I.D.1    Fu, G.C.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.