Copper(II) complex anchored on magnetic chitosan functionalized trichlorotriazine: An efficient heterogeneous catalyst for the synthesis of tetrazole derivatives

An efficient approach for the green synthesis of biologically active 2,3-dihydroquinazolin-4(1H)-ones using a magnetic EDTA coated copper based nanocomposite

“…17–21 Fe 3 O 4 and copper composites have found many application in many organic transformation such as synthesis of propargylamines using Cu( i )-pybox–Fe 3 O 4 nanocomposites, Fe 3 O 4 @PmPDs@Cu 2 O as a nanocatalyst in the synthesis of 5-phenyl-[1,2,3]triazolo[1,5- c ]quinazolines, Cu@DOPA@Fe 3 O 4 as a nanocatalyst in the cross coupling of thiols and aryl halides, Fe 3 O 4 @CS-TCT-Tet-Cu( ii ) nanocatalyst in the synthesis of N -sulfonyl- N -aryl tetrazoles and 5-arylamino-1 H -tetrazoles etc. 22 The development of many heterogeneous catalytic system involving metal–organic frameworks and nanoparticles for the synthesis of various nitrogen containing heterocycles have been extensively reported. 23…”

Synthesis of a magnetic polystyrene-supported Cu(II)-containing heterocyclic complex as a magnetically separable and reusable catalyst for the preparation of N-sulfonyl-N-aryl tetrazoles

“…Given the medicinal applications of tetrazoles, different synthetic methodologies have been widely developed for their synthesis. 13 , 66 , 67 , 85 .…”

Immobilized Cu(0) nanoparticles on montmorillonite-modified with benzalkonium chloride (MMT-BAC@Cu(0)): as an eco-friendly and proficient heterogeneous nano-catalyst for green synthesis of 5-substituted 1H-tetrazoles

“…30 Furthermore, reports reveal that copper may be effective in the synthesis of beneficial organic compounds as catalysts, 31,32 such as in the synthesis of tetrazoles. 33,34 Because of its lower cost, copper has been utilized in the structure of various catalysts. 35,36…”

“…30 Furthermore, reports reveal that copper may be effective in the synthesis of benecial organic compounds as catalysts, 31,32 such as in the synthesis of tetrazoles. 33,34 Because of its lower cost, copper has been utilized in the structure of various catalysts. 35,36 This study aimed to develop a biocompatible nanocatalyst based on immobilized Cu(0) nanoparticles on montmorillonite-modied with benzalkonium chloride (MMT-BAC@Cu(0)) for the synthesis of 5-substituted-1H-tetrazoles under mild and green conditions (Scheme 1).…”