K. Gusak, V. A. Serzhanina, N. Kozlov
Oct 1, 1994
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Journal
Chemistry of Heterocyclic Compounds
Abstract
The reaction of arylidene-2-naphthylamines with the ethyl ester of (2-quinolyl)-β-oxopropionic acid results in the synthesis of ethyl esters of 1-(2-quinolyl)-3-arylbenzo[f]quinoline-2-carboxylic acids. All the theoretically possible intermediate reaction products were isolated: the amino esters of 2-quinoline-β-oxopropionic acid, the hydroxy esters of tetrahydro- and esters of dihydrobenzo[f]quinoline-2-carboxylic acid, as well as the by-products — the ethyl ester of 2-quinolyl-α-(R-benzylidene)-β-oxopropionic acid. The IR, UV, and mass spectra of the synthesized compounds are discussed.