Main Article Content
Poly (Ethylene Glycol)-Bound Sulphonic Acid as a Novel Catalyst for Synthesis of Benzoxazoles
Abstract
A highly efficient, simple and rapid method for the preparation of various 2-aminobenzoxazoles and other benzoxazole derivatives using a catalytic amount of poly (ethylene glycol)-bound sulphonic acid (PEG-SO3H) is described. PEG-SO3H is found to be economical and reusable catalyst with low catalytic loading. The percentage yield was found to be satisfactory, experimental set-up and purification of final products is facile and easy.
GRAPHICAL ABSTRACT
KEYWORDS Poly (ethylene glycol)-bound sulphonic acid (PEG-SO3H), 2-aminobenzoxazole, benzoxazole derivatives.