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Paper | Regular issue | Vol 71, No. 3, 2007, pp.543-548
Published online, 15th January, 2007
DOI: 10.3987/COM-06-10946
A Simple and Environmentally Benign Method for the Synthesis of Naphthoxazin-3-one Derivatives

Minoo Dabiri, Akram Sadat Delbari, and Ayoob Bazgir*

*Department of Chemistry, Faculty of Science, Shahid Beheshti University, Evin, P.O. Box 19396-4716, Tehran 1983963113, Iran

Abstract

Carbamatoalkylnaphthol derivatives have been synthesized in good yields in a one-pot, and efficient process by condensation of β-naphtol, aromatic aldehydes and methyl carbamate in ionic liquid media. Ring closure of carbamatoalkylnaphthol derivatives occurred in ionic liquid media at 160 °C to give 1,2-dihydro-1-arylnaphtho[1,2-e][1,3]oxazin-3-one derivatives.