Phosphoric acid/titanium oxide-zirconium oxide as an effective reusable nanocatalyst for microwave-promoted synthesis of 2-arylbenzothiazole derivatives

Key Points

• The research aims to provide a green method for synthesizing 2-arylbenzothiazole derivatives.
• Utilized phosphoric acid/titanium oxide-zirconium oxide as a reusable nanocatalyst.
• Conducted one-step synthesis using benzaldehyde and 2-aminothiophenol.
• Applied microwave energy to enhance the reaction efficiency.
• Successfully produced 2-arylbenzothiazole derivatives in high yields.
• Demonstrated reusability of the nanocatalyst over multiple cycles without significant loss of activity.
• Indicated environmentally friendly process compared to traditional methods.