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Reactions Between 4-Hydroxycoumarins or 4-Hydroxy-1-Methylquinolinone and Dmad in the Presence of Phosphites. Synthesis of (Chromen-3-YL)- and (Quinolin-3-YL)-(Dialkoxyphosphoryl)Succinates
Authors:Demetrios N Nicolaides  Konstantinos E Litinas  Ioannis Psaroulis  Aristea Makri  Spyros Adamopoulos
Institution:Laboratory of Organic Chemistry, Department of Chemistry , Aristotle University of Thessaloniki , Thessaloniki, 54124, Greece
Abstract:Abstract

Dimethyl (chromen-3-yl)-(dialkoxyphosphoryl)succinates are prepared from the reaction of 4-hydroxycoumarin with DMAD and P(OR)3. 4-Hydroxy-1-methylquinolinone reacts with DMAD and P(OEt)3 to give dimethyl (quinoline-3-yl)-(diethoxyphosphoryl)-succinate.

GRAPHICAL ABSTRACT  id=
Keywords:Dimethylacetylene dicarboxylate  trialkylphosphite  triphenylphosphine  4-hydroxycoumarin  4-hydroxy-1-methylquinolinone
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