Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2017 Vol: 9 Issue: 1

Aluminium Sulphate in PEG as a Green Recyclable Homogeneous Catalytic System to Synthesis of Amidoalkyl Naphthol

Abstract

Aluminium sulphate as a catalyst in PEG as a reaction solvent is found to be an attractive, environmentally benign and highly efficient catalytic system for the one-pot multicomponent reaction of aromatic aldehyde, β-naphthol and amide to form the corresponding amidoalkyl naphthol. The procedure is simple, rapid and high yielding. Moreover, the catalyst exhibited a remarkable reactivity and is reusable in PEG-400 as a solvent. The Aluminium sulphate in PEG-400 can be reused upto four times without significant loss in yields and selectivity of the product. The remarkable features of this new one pot C-C and C-N bond forming reaction procedure are high conversations, operationally simple and eco-friendly and economically inexpensive method.