Abstract:The microwave promoted alkylation of 1-and 2-naphthols with benzyl, butyl, ethyl and isopropyl halides in the presence of an alkali carbonate may result in O-and C-alkylated products. The alkylations were O-selective in the presence of K 2 CO 3 in acetonitrile as the solvent and in the absence of phase transfer catalyst. The alkylations utilizing butyl and ethyl halides were also O-selective in solventless accomplishment and in the presence of triethylbenzylammonium chloride.

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Catalyst‐free, selective O‐alkylation of naphthols is achieved under microwave irradiation in the presence of K2CO3.