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Short Paper | Regular issue | Vol 83, No. 2, 2011, pp.365-370
Published online, 27th December, 2010
DOI: 10.3987/COM-10-12098
A Facile Synthesis of 2-Substituted 2,3-Dihydro-4(1H)-azuleno[1,2-d]pyrimidinones

Dao-Lin Wang,* Yuan-Feng LI, Jiao Xu, Wei Li, Shao-Fei Li, and Li-Nan Lin

*Liaoning Key Laboratory of Synthesis and Application of Functional Compound, College of Chemistry & Chemical Engineering, Bohai University, Jinzhou 121001, China

Abstract

A facile, efficient and novel approach to access 2-substituted 2,3-dihydro-4(1H)-azuleno[2,1-d]pyrimidinones was developed by condensation of methyl 2-amino-3-carbamoylazulene-1-carboxylate with ketones or ary1 aldehydes in the 2,2,2-trifluoroethanol catalyzed by p-toluenesulfonic acid.