Indian Journal of Advances in Chemical Science, Volume: 9, Issue : 3, August 2021

ISSN No.: 2320-0898 (Print); 2320-0928 (Electronic)

DOI: 10.22607/IJACS.2021.903019

Research Article

Rapid and Spontaneous Synthesis of Schiff Bases Catalyzed by Sulfuric Acid
under Environmentally Benign Condition

Noorunnisa Begum, Sadiya Mustaq, Syeda Sameena Aziz*, Mohammed Arifuddin*

ABSTRACT

In the present study, we report the development of an efficient and spontaneous method for the preparation of Schiff bases (C1-32)using H2SO4 as catalyst in good to excellent yields. The reaction is spontaneous when it is carried out in sequential manner, that is, to a solution of aldehyde in methanol 2–3 drops of H2SO4 were added, to this mixture, a solution of aryl amines was added and shaken for seconds followed by pouring into crushed ice to give solid Schiff bases in good to excellent yields. The Schiff bases synthesized by present method are all known compounds and are characterized by their melting points, IR, and 1H-NMR spectra’s. It is noteworthy to state that the present method is accompanied with the procedural simplicity, the efficiency and the easy accessibility of the reaction to give the Schiff bases. We believe that this method will make a remarkable impact on the Schiff base chemistry in the area of environmentally green chemistry.

Key words:    Schiff bases, Spontaneous, High yield, Environmentally friendly, Green chemistry.

[Download Full Article PDF]