淡江大學機構典藏:Item 987654321/25128
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/25128


    Title: Photolysis of diethyl 2-diazo-6-oxo-2, 6-dihydroazulene-1, 3-dicarboxylate and methyl 3-cyano-2-diazo-6-oxo-2, 6-dihydroazulene-1-carboxylate in tetrahydrofuran
    Authors: Lin, Shih-Jue;Jiang, Shuan-Ya;Huang, Tian-Chyuan;Kao, Ping;Tsai, Pai-Feng;Takeshita, Hitoshi;林雲山;Lin, Yun-shan
    Contributors: 淡江大學化學學系
    Date: 1997-01
    Issue Date: 2009-12-01
    Publisher: Elsevier
    Abstract: Upon photolysis in tetrahydrofuran, dimethyl 2-diazo-6-oxo-2,6-dihy-droazulenc-l,3-dicarboxylate afforded a crown-type origomerized cyclic ether in very low yield, but the major products were the C-H insertion products such as 2,6-disubstituted azulenedicarboxylate, whereas methyl 3-cyano-2-diazo-6-oxo-2,6-dihydroazulene-1-carboxylate gave, similar to 1,3-dicycano-2-diazo-2,6-dihydroazulen-6-one, oligomeric crown ethers predominantly, suggesting that a steric factor played a crucial role in their formations.
    Relation: Heterocycles 45(10), pp.1879-1882
    DOI: 10.3987/COM-97-7897
    Appears in Collections:[Graduate Institute & Department of Chemistry] Journal Article

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