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Volumn 69, Issue 5, 2004, Pages 1557-1564

Catalytic Cyclopropanation of Alkenes via (2-Furyl)carbene Complexes from 1-Benzoyl-cis-1-buten-3-yne with Transition Metal Compounds

Author keywords

[No Author keywords available]

Indexed keywords

CATALYSIS; KETONES; TRANSITION METAL COMPOUNDS;

EID: 1442275531     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo0352732     Document Type: Article
Times cited : (92)

References (67)
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    • The reactions of α-ω-enynes with alcohols or alkynes with furans via cyclopropylcarbene complexes. See: (c) Méndez, M.; Muñoz, M. P.; Echavarren, A. M. J. Am. Chem. Soc. 2000, 122, 11549.
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    • Oxidative rearrangement of propargyl esters by palladium catalyst has been reported, see: (f) Kataoka, H.; Watanabe, K.; Goto, K. Tetrahedron Lett. 1990, 31, 4181.
    • (1990) Tetrahedron Lett. , vol.31 , pp. 4181
    • Kataoka, H.1    Watanabe, K.2    Goto, K.3
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    • Liebeskind, L. S., Ed.; JAI Press: London, UK
    • (b) Helquist, P. In Advances in Metal-Organic Chemistry; Liebeskind, L. S., Ed.; JAI Press: London, UK, 1991; Vol. 2, pp 143-194.
    • (1991) Advances in Metal-Organic Chemistry , vol.2 , pp. 143-194
    • Helquist, P.1
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    • Doyle, M.P.1
  • 53
    • 0037094001 scopus 로고    scopus 로고
    • Preliminary communication of catalytic cyclopropanation with ene-yne-carbonyl compounds. See: Miki, K.; Nishino, F.; Ohe, K.; Uemura, S. J. Am. Chem. Soc. 2002, 124, 5260.
    • (2002) J. Am. Chem. Soc. , vol.124 , pp. 5260
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    • note
    • The blue color indicates the generation of a (2-furyl)carbene chromium complex. Thus, consumption of the starting material 4 could be visibly monitored.
  • 58
    • 1442292543 scopus 로고    scopus 로고
    • note
    • 5(THF), being in 10% and 32% yields, respectively, with a similar diastereoselectivity.
  • 61
    • 1442292544 scopus 로고    scopus 로고
    • note
    • The structure was unambiguously determined by X-ray diffraction analysis of 9c. See the Supporting Information.
  • 62
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    • Furan ring construction from enyne-aldehyde derivatives with a stoichiometric amount of Fischer carbene complexes has been demonstrated. See: (a) Herndon, J. W.; Wang, H. J. Org. Chem. 1998, 63, 4564.
    • (1998) J. Org. Chem. , vol.63 , pp. 4564
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  • 64
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    • note
    • 2Cl in place of THF as solvent led to the rapid formation of the cyclopropanated product 10c in 96% yield in the reaction of styrene with 4c at room temperature for 1 h with a high trans selectivity (cis:trans = 11:89).
  • 65
    • 1442341540 scopus 로고    scopus 로고
    • note
    • Lower yields of cyclopropanated products were due to the formation of either 1,2-difurylethene 12 in the Cr-catalyzed reaction or many unidentified products in the Pt-catalyzed reaction.
  • 66
    • 1442267969 scopus 로고    scopus 로고
    • note
    • 2 as a carbenoid precursor, the ratio of cis:trans being 77:23. See ref 12e.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.