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Volumn 8, Issue 13, 2010, Pages 2918-2922

Gold-catalysed room-temperature cycloisomerisation of alkynes and unactivated enolisable ketones

Author keywords

[No Author keywords available]

Indexed keywords

CARBON-CARBON BOND; CYCLISATIONS; GOLD CATALYSIS; ROOM TEMPERATURE; SPIRO COMPOUNDS;

EID: 77953791572     PISSN: 14770520     EISSN: None     Source Type: Journal    
DOI: 10.1039/c003473h     Document Type: Article
Times cited : (21)

References (52)
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    • Examples of cycloisomerisation of 1,3-dicarbonyl compounds and β-keto esters onto alkynes: Gold catalysis:
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    • The potency of this method has been demonstrated by its uptake at key stages in the synthesis of complex natural products, for example see: Ref. 7a and
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    • For a review, see:
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    • Arcadi, A.1
  • 35
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    • For a cascade cyclopentene formation which also incorporates iminium ion activation of an enone for in situ formation of the yne-one precursor see
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    • Binder, J.T.1    Crone, B.2    Haug, T.T.3    Menz, H.4    Kirsch, S.F.5
  • 38
    • 25444522675 scopus 로고    scopus 로고
    • For a recent report highlighting role of counterion on gold-catalysed processes see
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    • 1H-NMR against a known quantity of durol. 15% of 1a was also identified and some degradation of material was observed
    • P. W. Davies N. Martin Org. Lett. 2009 11 2293
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  • 40
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    • For examples of hydration in gold catalysis, see:
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  • 46
    • 52649104971 scopus 로고    scopus 로고
    • and references therein For examples of alternative hydrative cyclisation under noble-metal catalysis see:
    • H. Waldmann G. V. Karunakar K. Kumar Org. Lett. 2008 10 2159
    • (2008) Org. Lett. , vol.10 , pp. 2159
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  • 48
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    • For alternative Brønsted and Lewis acid mediated cyclisation of alkynals and alkynones see
    • A. Das H.-K. Chang C. H. Yang R.-S. Liu Org. Lett. 2008 10 4061
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    • and references therein A recent report shows the gold-catalysed hydrative cyclisation of diynes
    • M. F. Wempe J. R. Grunwell J. Org. Chem. 1995 60 2714
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.