[en] The review surveys the data on the synthesis, tautomerism, electronic structures and chemical transformations of 4-polyfluoroalkyl- and 4-pentafluorophenyl-2,4-dioxo acids and their derivatives. The reactions yielding fluorinated heterocyclic compounds and their further conversions are considered. The bibliography includes 86 references.
Journal
Russian Chemical Reviews (Print); ISSN 0036-021X; 
; v. 68(3); p. 203-214
; v. 68(3); p. 203-214
[en] Methods of synthesis of (het)aroylpyruvic acids and their acyclic derivatives (esters, amides and hydrazides), and their reactions with various C-, N-, O-, S-nucleophiles are described. Problems of tautomerism and biological activity of (het)aroylpyruvates and products of their transformation are briefly considered. The bibliography includes 191 references.
Journal
Russian Chemical Reviews (Print); ISSN 0036-021X; ; v. 70(11); p. 921-938
; v. 70(11); p. 921-938
[en] The data on the synthesis, structure and chemical transformations of 2-(het)arylhydrazono-1,3-dicarbonyl compounds is surveyed. The synthetic potential and possible applications of the title compounds are analyzed.
Journal
Russian Chemical Reviews (Print); ISSN 0036-021X; ; v. 79(1); p. 31-61
; v. 79(1); p. 31-61