Green Condensation of Various 1, 2-Diamine and 1, 2- Dicarbonyl Compounds Catalyzed by Reusable Zirconium (IV) Tetradentate Schiff Base Complex
Maasoumeh Jafarpour, Ghorbanali Gorzin and Abdolreza RezaeifardAffiliation:
Catalysis Research Laboratory, Department of Chemistry, Faculty of Science, University of Birjand, Birjand, 97179-414 Iran.
AbstractZirconium (IV) tetradentate Schiff base (salphen) complex has been successfully used for efficient condensation of various 1,2-diamine and 1,2- dicarbonyl compounds in EtOH as a standard green solvent under mild conditions. The investigation of turnover number and reusability of the catalyst indicate well the high efficiency and relative stability of the Zr-complex in this reaction.
Quinoxaline derivatives, salphen, Schiff base, zirconium complexes
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