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Fifteen 2-quinolone thiosemicarbazone derivatives of which eleven were new, were synthesized at room temperature. The key intermediate was the quinolone carbaldehyde, from which thiosemicarbazones were formed by the reaction of thiosemicarbazides with the aldehyde moiety. The structures of the synthesized compounds were elucidated by 1D and 2D-NMR...
Twelve novel substituted 2-chloroquinoline-3-carboxamide derivatives were prepared from acetanilides using the Vilsmeier–Haack reaction, producing 2-chloro-3-carbaldehyde quinolines, followed by oxidation of the 3-carbaldehyde to the carboxylic acid and coupling this group with various anilines. The structures of the synthesized compounds were conf...