Method for manufacturing of quinoline-3-carboxamides
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United States of America Patent
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Oct 28, 2014
Grant Date -
May 2, 2013
app pub date -
Jul 7, 2011
filing date -
Jul 9, 2010
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Abstract
A method for preparing a compound of formula (I) by reacting the appropriate alkyl ester and an aniline derivative, in a refluxing mixture containing an aliphatic solvent or a mixture of aliphatic solvents having a boiling point in the range of 68-191° C.; condensing vapors of the refluxing mixture; treating the condensed vapors with an alcohol scavenging agent or a mixture of alcohol scavenging agents; and returning the condensed vapors back to the reaction mixture.
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