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    Clay Catalyzed Reactions of Indole and its Methyl Derivatives with alpha, beta-unsaturated Carbonyl Compounds
    (CROATIAN CHEMICAL SOC, 2014) Dasbasi, Teslima; Abdullah, Meysun I.
    Electrophilic substituons reactions of indole and 1-methylindole with methyl propiolate in the presence of K-10 montmorillonite were obtained the formation of the corresponding methyl 3,3-bis(indolyl)propanoates. The reaction of 1,3-dimethylindole with methyl propiolate was given methyl 3,3-bis(1,3-dimethyl-1H-indol-2-yl)propanoate, methyl 1,5-dimethyl-1H-benzo[b]azepine-3-carboxylate and methyl 3,3,3-tris(1,3-dimethyl-1H-indol-2-yl)propanoate. The reaction of 1,3-dimethylindole with 2-cyclopentenone was yielded a typical addition product, similarly the reaction of indole and 1-methylindole with 2-cyclopentenone were concluded the expected addition products only.
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    Indium triflate-catalyzed coupling of indoles with acyl phosphonates: synthesis of bis(indolyl)methane phosphonates
    (PERGAMON-ELSEVIER SCIENCE LTD, 2011) Dasbasi, Teslima; Polat-Cakir, Sidika; Abdullah, Meysun; Demir, Ayhan S.
    The coupling reaction of N-methylindole with alkyl and aryl phosphonate is described. The reaction works in the presence of 10 mol % of indium triflate and furnished bis(indolyl)methane phosphonates in good yield and high selectivity. (C) 2011 Elsevier Ltd. All rights reserved.