Synthesis of New dihydropyrimidinones catalysed by dicationic ionic liquid

DV Jawale, UR Pratap, AA Mulay, JR Mali…

Index: Jawale, Dhanaji V.; Pratap, Umesh R.; Mulay, Aparna A.; Mali, Jyotirling R.; Mane, Ramrao A. Journal of Chemical Sciences, 2011 , vol. 123, # 5 p. 645 - 655

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Citation Number: 10

Abstract

Abstract A convenient multi step synthetic protocol for new dihydropyrimidinones bearing quinolynyl methoxy phenyl moiety has been developed from 2-chloro-3-formyl quinolines. The last step is one-pot Biginelli reaction of multicomponents, 4-((2-chloroquinolin-3-yl) methoxy) benzaldehydes, ethyl acetoacetate and urea mediated and catalysed by dicationic ionic liquid (3-methyl-1-[3-(methyl-1H-imidazolium-1-yl) propyl]-1H-imidazolium dibromide ...