|
|||||
|
|
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  |
| Keywords: | Dimethylacetylene dicarboxylate trialkylphosphite triphenylphosphine 4-hydroxycoumarin 4-hydroxy-1-methylquinolinone |