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Volumn 48, Issue 4, 2007, Pages 647-650

On the viability of 5-endo-dig cyclisations of O-propargylic hydroxylamine derivatives, leading to 2,5-dihydroisoxazoles (3-isoxazolines)

Author keywords

[No Author keywords available]

Indexed keywords

4 IODO 2,5 DIHYDROISOXAZOLE DERIVATIVE; HETEROCYCLIC COMPOUND; HYDROXYLAMINE; IODINE; ISOXAZOLE DERIVATIVE; ISOXAZOLINE DERIVATIVE;

EID: 33845673741     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2006.11.114     Document Type: Article
Times cited : (30)

References (44)
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    • For recent applications of nitrile oxide chemistry, see: and references therein
    • For recent applications of nitrile oxide chemistry, see:. Lohse-Fraefel N., and Carreira E.M. Org. Lett. 7 (2005) 2011-2014 and references therein
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    • 85077634689 scopus 로고
    • For reviews, see:
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    • (1981) Synthesis , pp. 1-28
    • Mitsunobu, O.1
  • 33
    • 4143084064 scopus 로고    scopus 로고
    • These methods have been highlighted in a recent review:
    • These methods have been highlighted in a recent review:. Dembinski R. Eur. J. Org. Chem. (2004) 2763-2772
    • (2004) Eur. J. Org. Chem. , pp. 2763-2772
    • Dembinski, R.1
  • 37
    • 33845672497 scopus 로고    scopus 로고
    • note
    • The main loss of material under the conditions shown in Scheme 3 appeared to be due to the formation of bis-tosyl derivatives. Subsequent experiments, performed after completion of the present project, have indicated that a superior method is to mix the reactants at -78 °C in dichloromethane and then allow the reaction mixture to slowly warm to ambient temperature during 3 h-Proctor, A. J., unpublished observations.
  • 38
    • 33845677961 scopus 로고    scopus 로고
    • note
    • Full analytical and spectroscopic data consistent with the proposed structures have been obtained for all compounds reported herein.
  • 39
    • 0028346704 scopus 로고
    • For some Stille and Suzuki couplings of iodo-isoxazoles, see:
    • For some Stille and Suzuki couplings of iodo-isoxazoles, see:. Labadie S.S. Synth. Commun. 24 (1994) 709-719
    • (1994) Synth. Commun. , vol.24 , pp. 709-719
    • Labadie, S.S.1
  • 40
    • 85011125883 scopus 로고
    • For various Heck and Sonogashira couplings of similar substrates, see:
    • For various Heck and Sonogashira couplings of similar substrates, see:. Yamanaka H., Shiraiwa M., Yamamoto E., and Sakamoto T. Chem. Pharm. Bull. 29 (1981) 3543-3547
    • (1981) Chem. Pharm. Bull. , vol.29 , pp. 3543-3547
    • Yamanaka, H.1    Shiraiwa, M.2    Yamamoto, E.3    Sakamoto, T.4
  • 41
    • 0026658894 scopus 로고
    • For palladium-catalysed couplings with phenylsulfonylacetonitrile, see:
    • For palladium-catalysed couplings with phenylsulfonylacetonitrile, see:. Sakamoto T., Kondo Y., Suginome T., Ohba S., and Yamanaka H. Synthesis (1992) 552-554
    • (1992) Synthesis , pp. 552-554
    • Sakamoto, T.1    Kondo, Y.2    Suginome, T.3    Ohba, S.4    Yamanaka, H.5
  • 42
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    • For condensations of metallated derivatives with cyclic ketones, see:
    • For condensations of metallated derivatives with cyclic ketones, see:. Antequera T., Ramos V., and Vincente T. Heterocycles 24 (1986) 3203-3211
    • (1986) Heterocycles , vol.24 , pp. 3203-3211
    • Antequera, T.1    Ramos, V.2    Vincente, T.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.