Derivatives of 3, 4-dihydro-3-thioxo-2-quinoxalinylacetic acid

J Toman, J Klicnar

Index: Toman, Jaromir; Klicnar, Jiri Collection of Czechoslovak Chemical Communications, 1986 , vol. 51, # 2 p. 419 - 428

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Citation Number: 5

Abstract

Abstract Ethyl 3, 4-dihydro-4-methyl-3-thioxo-2-quinoxalinylacetate has been prepared by thionation of the 3-oxo derivative. The mechanism is discussed of the reaction of this ester with diethylamine giving the two non-isomerizing ketimine-enamine tautomers and 1, 2- dihydro-1, 3-dimethyl-2-thioxoquinoxaline. Structure has been studied of the reaction product of both this derivative and its 3-oxo analogue with sodium hydride in dimethyl ...

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