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

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Original Articles: 2011 Vol: 3 Issue: 3

Basic ionic liquid promoted one-step synthesis of 2-alkylsubstituted Chromanones


Basic ionic liquid catalyzed synthesis of various 2-alkyl-substituted chromanones is described. This investigation comprises of two consecutive reactions in one-step by using basic ionic liquid, [bmIm]OH. It acts as a catalyst for condensation of ortho-acylphenols with terminal alkynoates, followed by intramolecular cyclization. Reusability of catalyst with good yields under green reaction conditions is the most remarkable feature of this synthetic method.

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