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Volumn , Issue 9, 1998, Pages 1019-1021

Use of acylhydrazones as electrophiles in Mannich-type reactions, β-lactam, pyrazolidinone, and pyrazolone synthesis

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EID: 0000290208     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1998-1843     Document Type: Article
Times cited : (41)

References (39)
  • 1
    • 0345506877 scopus 로고    scopus 로고
    • Selected examples using hydrazones as electrophiles or equivalents are as follows. As far as we know, there have been no examples of Lewis acid-mediated reactions of hydrazones with nucleophiles. (a) Kodata, I.; Park, J.-Y.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1996, 841.
    • (1996) J. Chem. Soc., Chem. Commun. , pp. 841
    • Kodata, I.1    Park, J.-Y.2    Yamamoto, Y.3
  • 7
    • 84944149422 scopus 로고
    • In a pioneering work, rhodium-catalyzed enantioselective hydrogenation of acylhydrazones derived from ketones was reported. Burk, M. J.; Feaster, J. E. J. Am. Chem. Soc. 1992, 114, 6266.
    • (1992) J. Am. Chem. Soc. , vol.114 , pp. 6266
    • Burk, M.J.1    Feaster, J.E.2
  • 9
    • 0007795046 scopus 로고
    • US Patent 3615169 (1971)
    • (a) Thorn, K. F., US Patent 3615169 (1971); CA 1972, 76, 5436a.
    • (1972) CA , vol.76
    • Thorn, K.F.1
  • 12
    • 0002126577 scopus 로고    scopus 로고
    • It has been shown that rare earth inflates are excellent catalysts for the catalytic activation of imine and related compounds, while most Lewis acids are decomposed or deactivated in the presence of basic nitrogen atoms. For example, (a) Kobayashi, S.; Busujima, T.; Nagayama, S. J. Chem. Soc., Chem. Commun. 1998, 19.
    • (1998) J. Chem. Soc., Chem. Commun. , pp. 19
    • Kobayashi, S.1    Busujima, T.2    Nagayama, S.3
  • 16
    • 26844474970 scopus 로고    scopus 로고
    • note
    • 3 in a preliminary experiment.
  • 17
    • 26844524191 scopus 로고    scopus 로고
    • note
    • It is also known that the imines derived from α,β-unsaturated aldehydes are often difficult to prepare due to their instability.
  • 18
    • 0000733768 scopus 로고
    • Trost, B. M., Ed.; Chapter 4.1. Pergamon Press, Oxford
    • (a) Kleinman, E. F. In Comprehensive Organic Synthesis; Trost, B. M., Ed.; Chapter 4.1. Vol. 2, Pergamon Press, Oxford, 1991, 893.
    • (1991) Comprehensive Organic Synthesis , vol.2 , pp. 893
    • Kleinman, E.F.1
  • 33
    • 85047672030 scopus 로고
    • These problems have recently been overcome by using three-component coupling reactions of aldehydes, amines, and silyl enolates using a lanthanide triflate as a catalyst. Kobayashi, S.; Araki, M.; Yasuda, M. Tetrahedron Lett. 1995, 36, 5773.
    • (1995) Tetrahedron Lett. , vol.36 , pp. 5773
    • Kobayashi, S.1    Araki, M.2    Yasuda, M.3
  • 36
    • 26844476712 scopus 로고    scopus 로고
    • note
    • 3) δ 17.1, 22.46, 22.51, 23.1, 25.8, 37.9, 50.6, 67.6, 125.50, 125.55, 125.60, 125.65, 127.6, 133.7, 150.7, 164.3, 176.5.
  • 37
    • 26844451320 scopus 로고    scopus 로고
    • note
    • The structure was confirmed by X-ray analysis of the corresponding N-benzoyl derivative.
  • 38
    • 26844514846 scopus 로고    scopus 로고
    • note
    • 2O (M+) 170.1419, found 170.1423.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.