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23Synthesis of amides of 2-oxoquinolincarboxylic acids, Chemistry of Heterocyclic Compounds 4-hydroxy-2- quinolones 199*. use of N,N'-dicyclohexylcarbodiimide in the synthesis of ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylates, Chemistry of Heterocyclic Compounds 4-Hydroxy-2-quinolones. 1. Efficient method for obtaining 3-alkyl-4-hydroxy-2-quinolones, Chemistry of Heterocyclic Compounds Synthesis and structures of methyl-substituted 1,2,4,5-tetrahydro-3H-spiro(benz-2-azepine-3,4u2032-piperidines), Chemistry of Heterocyclic Compounds Mechanism of cyclocondensation of isoprenoid acyclic ??,??-enals with monoethyl malonate under the conditions of the Knoevenagel reaction, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Acyclic isoprenoid ??,??-enals in the Doebner and Knoevenagel reactions with monoethyl malonate, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Formation of derivatives of 1,3-cyclohexadienecarboxylic acid from acyclic isoprenoid ??,??-enals and monoethyl malonate by the Knoevenagel reaction, Bulletin of the Academy of Sciences of the USSR, Division of chemical science New synthesis of alkyl esters of ??-amino-acids, Bulletin of the Academy of Sciences of the USSR, Division of chemical science ??ber die Darstellung von Normalvalerian- und Dipropylessigs??ure aus Malons??ure??thylester und die L??slichkeit einiger Salze derselben, Monatshefte f??r Chemie und verwandte Teile anderer Wissenschaften Synthesis and biological activity of substituted 2-iminobenzo[f]coumarin-3-carboxylic acid amides, Pharmaceutical Chemistry Journal