Heterocyclic Compounds
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ChemInform Abstract: Thionyl Chloride-Induced Conversion of 1-Ethyl-1,4-dihydro-2-methyl-4-oxoquinoline-3-carboxylic Acids to Highly Functionalized Thieno[3,4-b]quinoline Derivatives.
First published: 10 June 2010
Abstract
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ChemInform Abstract
Refluxing title acid (I) with SOCl2 gives the quinolinone (II), whereas reaction at room temperature affords the intermediate dione (III).
