PVC-supported phenylene diamine-copper(0) nanoparticles as an efficient catalyst for synthesis of 1,2,3-triazoles

The challenges of the 21st century require scientific and technological achievements that must be developed under sustainable and environmentally benign practices. In this vein, click chemistry and green chemistry walk hand in hand on a pathway of rigorous principles that help to safeguard the health of our planet against negligent and uncontrolled production [1].Cu(I)-catalyzed terminal alkyne–azide cycloaddition (CuAAC) has recently emerged as a powerful ‗click‘ reaction, known for its exquisite selectivity and high yields [2]. In this work, we prepared a newPVC-supported phenylene diamine-copper(0) nanoparticlecatalyst, and used it for the synthesis of 1,2,3-triazoles by copper-catalyzed alkyne–azide cycloaddition (CuAAC).The catalyst was prepared from PVC, 1,2-phenylene diamine,and copper(II) acetate under the reduction conditions.This new functionalized polymer was fully characterized with different methods such as the ICP, XRD, and elemental analysistechniques. 1,2,3-triazoles were synthesizedvia the multi-component reaction ofan azide, an alkyne, and anorganic halidein the presence of the catalystat 600C.This method offers several advantages including excellent yields, an environmentally friendly procedure, short reaction times, and a simple work-up procedure, which make it a useful process for the synthesis of 1,2,3-triazoles.