%0 Journal Article %T CARBON-BASED SOLID ACID CATALYZED SYNTHESIS OF POLYHYDROQUINOLINE DERIVATIVES VIA HANTZSCH REACTION UNDER SOLVENT-FREE CONDITIONS %A ABOLGHASEM DAVOODNIA %A AMIR KHOJASTEHNEZHAD %J Journal of the Chilean Chemical Society %D 2012 %I Sociedad Chilena de Qu¨Şmica %X An easy method for the synthesis of polyhydroquinoline derivatives via one-pot four-component Hantzsch condensation of dimedone, aryl aldehydes, ethyl acetoacetate and ammonium acetate in the presence of a catalytic amount of carbon-based solid acid (CBSA) in solvent-free conditions is described. The main advantages of the present approach are relatively short reaction times, high product yields, clean reaction profiles, simple experimental and work-up procedure. %K polyhydroquinoline derivatives %K carbon-based solid acid %K heterogeneous catalysis %K solvent-free conditions %U http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072012000400011