机译:Efficient One Pot and Chemoselective Synthesis of Polysubstituted Dihydro-6H-chromeno4,3-dpyrazolo1,5-apyrimidin-6-ones via a Four-Component Reaction
Tarbiat Modares Univ;
1,4-Addition; 5-Aminopyrazoles; Aza-Michael addition; delta-Chloro-alpha,beta-unsaturated coumarins; Dihydro-6H-chromeno4,3-dpyrazolo1,5-apyrimidin-6-ones; REGIOSELECTIVE SYNTHESIS; COUMARINS;