Organic transformations need organic solvents. Most of the organic solvents which are in use while performing the transformations for obtaining products of societal use are volatile organics responsible for environmental pollution. These solvents are from exhaustible petrochemical source. Herein pyrazolines, 3-(4'-tosylaminophenyl)-5-(2'- chloro-substituted quinolin-3-yl)-4,5-dihydropyrazolines (2a-f) were synthesized from cyclocondensation of chalcones, 3-(2-Chloro-substitutedquinolin-3-yl)-1-(4-(tosylamino)phenyl)prop-2-en-1-ones(1) with hydrazine using greener medium, glycerol at 90 oC.
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