1 Ocak 2011 Dergi makalesi Açık Erişim

Yilmaz, Mehmet; Yilmaz, E. Vildan Burgaz; Pekel, A. Tarik

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        "affiliation": "Kocaeli Univ, Dept Chem, Fac Arts & Sci, TR-41380 Umuttepe, Kocaeli, Turkey", 
        "name": "Yilmaz, Mehmet"
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      {
        "affiliation": "Ankara Univ, Fac Sci, Dept Chem, TR-06100 Ankara, Turkey", 
        "name": "Yilmaz, E. Vildan Burgaz"
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      {
        "affiliation": "Ankara Univ, Fac Sci, Dept Chem, TR-06100 Ankara, Turkey", 
        "name": "Pekel, A. Tarik"
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    "description": "Radical cyclizations of fluorinated 1,3-dicarbonyl compounds with dienes mediated by Mn(OAc)3 afforded 4,5-dihydrofurans containing difluoroacetyl, trifluoroacetyl, or heptafluorobutanoyl groups in good-to-excellent yields. Additionally, 2-(difluoromethyl)-4,5-dihydrofurans and a 4,7-dihydrooxepin derivative were obtained as unexpected products in the reaction of 4,4-difluoro-1-phenylbutane-1,3-dione with 1,3-diphenylbuta-1,3-diene. The radical cyclization of symmetrical dienes such as 2,3-dimethylbuta-1,3-diene and 1,4-diphenylbuta-1,3-diene with 1,3-diketones furnished the corresponding products in low yields. However, treatment of 1-phenylbuta-1,3-diene with 1,3-dicarbonyl compounds afforded 4,5-dihydrofurans containing fluoroacyl groups. The radical cyclizations with 3-methyl-1-phenylbuta-1,3-diene and 1,3-diphenylbuta-1,3-diene led to 4,5-dihydrofurans in good yields, since Me and Ph groups at C(3) of these dienes increase the stability of the radical intermediate.", 
    "doi": "10.1002/hlca.201100105", 
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      "issue": "11", 
      "pages": "2027-2038", 
      "title": "HELVETICA CHIMICA ACTA", 
      "volume": "94"
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    "publication_date": "2011-01-01", 
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    "title": "Radical Cyclization of Fluorinated 1,3-Dicarbonyl Compounds with Dienes Using Manganese(III) Acetate and Synthesis of Fluoroacylated 4,5-Dihydrofurans"
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