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Volumn 43, Issue 41, 2004, Pages 5436-5441

Nucleophilic catalysis by 4-(dialkylamino)pyridines revisited - The search for optimal reactivity and selectivity

Author keywords

Asymmetric catalysis; Esterification; N ligands; Nucleophilic catalysis; Organocatalysis

Indexed keywords

CATALYSIS; ESTERIFICATION; SOLVENTS;

EID: 8444241193     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200460373     Document Type: Review
Times cited : (254)

References (46)
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  • 37
    • 8444246857 scopus 로고    scopus 로고
    • note
    • Unimolecular elimination of the N-acyl-pyridinium salt to form an acylium ion is also conceivable but this process would be expected to be more significant for the initial acyl donor (Scheme 6).
  • 38
    • 8444251466 scopus 로고    scopus 로고
    • note
    • The intervention of a ketene pathway during 4-(dialkylamino)pyridine- catalyzed esterification has been proposed but not substantiated.[15,17]
  • 41
    • 8444234411 scopus 로고    scopus 로고
    • note
    • 3[37] and do not provide clear-cut evidence in favor of general base catalysis.
  • 43
    • 8444223601 scopus 로고    scopus 로고
    • note
    • 3.[37]
  • 44
    • 0001723891 scopus 로고
    • -·HOAc) may be the key species involved in proton transfer: Z. Dega-Szafran, M. Szafran, Heterocycles 1994, 37, 627-659 and Z. Dega-Szafran, M. Gdaniec, M. Grundwald-Wyspianska, Z. Kosturkiewicz, J. Koput, P. Krzyzanowski, M. Szafran, J. Mol. Struct. 1992, 270, 99-124.
    • (1994) Heterocycles , vol.37 , pp. 627-659
    • Dega-Szafran, Z.1    Szafran, M.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.