Abstract
Recently a series of 7-(3-thiocarbamido), 7-(3-phenylthiocarbamido), 7-(3-(1,3-dimethyl) thiocarbamido), 7-(3-methylthiocarbamido), 7-(3-allylthiocarbamido)-4-methyl-2H-chromen-2-one (IIIa-e) had been synthesized by refluxing 7-chloro-4-methyl-2H-chromen-2-one (I) with thiourea, N-phenylthiourea, 1,3-dimethylthiourea, N-methylthiourea and N-allylthiourea (IIa-e) in isopropanol medium in 1:1 molar proportion for 5 hours. All the synthesized compounds structures were justified on the basis of chemical tests, elemental study and spectral characterization.
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