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9Substituierte 3-Amino-thiophene und 3-Amino-selenophene aus ??-Chlor-??-cyan-zimts??urenitril, Monatshefte f??r Chemie / Chemical Monthly Synthesis of 4,4,5-trimethylthieno[2,3-b]pyrrolenine and 5,6,6-trimethylthieno[3,2-b]pyrrolenine, Chemistry of Heterocyclic Compounds A gold electrode modified with a nanoparticulate film composed of a conducting copolymer for ultrasensitive voltammetric sensing of hydrogen peroxide, Microchimica Acta Three-component condensation of 3-aminothiophene-2-carboxylic acid derivatives with aldehydes and Meldrumu2019s acid, Russian Chemical Bulletin Three-component condensation of 3-aminothiophene derivatives with isatines and Meldrumu2019s acid. Synthesis of 2,5u2032-dioxo-3u2032-phenyl-5u2032,6u2032-dihydro-4u2032H-spiro[indoline-3,7u2032-thieno[3,2-b]pyridine]-2u2032-carboxylic acids, Russian Chemical Bulletin Acid cyclization of amino-substituted heterocycles. Synthesis of 1,3-dioxo- pyrrolo[3,4-c]- and thieno[3,4-c]isoquino- lines and cinnolines, Chemistry of Heterocyclic Compounds Synthesis of substituted thiophenes based on fluorine-containing ??-functionalized vinyl sulfides, Russian Chemical Bulletin