Novel synthesis of heteroarylazopyrazolones and their application as disperse dyes via AlCl3-catalyzed diazocoupling of 1-aryl/heteroaryl-3-methyl-1H-pyrazol-2-in-5-ones in aqueous medium
Novel synthesis of heteroarylazopyrazolones and their application as disperse dyes via AlCl3-catalyzed diazocoupling of 1-aryl/heteroaryl-3-methyl-1H-pyrazol-2-in-5-ones in aqueous medium