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Facile and Efficient Method for Preparation of Schiff Bases Catalyzed by Ni (NO3)2.6H2O Under Room Temperature

Shrikrishna D. Tupare, Dinesh V. Bhagat, Satish A. Dake and Rajendra P. Pawar

The important and interesting roles of Schiff bases are an intermediate in the biologically important transmutation reaction. Heterocyclic Schiff bases have been reported as antibacterial and antifungal activities. They were synthesized by different methods by the condensation between primary amines and aldehyde or ketones. From literature survey, it was cleared that many work on Schiff bases is going on. But each work is only concerns with conventional method and grinding method. But very few reports were observed on synthesis of Schiff bases by green approach. Therefore, in present work some Schiff bases were prepared with help of aromatic primary amines and highly substituted aromatic aldehydes in methanol and in presence of Ni (NO3)2.6H2O as catalyst at room temperature.