AbstractThree-component and one-pot, reaction between β-naphthol, Meldrum's acid and aryl aldehydes in the presence of piperidine affords 1-aryl-1,2-dihydro-3H-naphtho[2,1-b]pyran-3-ones in excellent yields.Keywordsβ-naphtholMeldrum's acidpiperidinethree-component reactionaryl aldehydes1,2-dihydro-3H-naphtho[2,1-b]pyran-3-onesReferences1. Yavari I. , and Ramazani A. , Synth. Commun., 1997, 27, 1385.2. Matloubi-Moghaddam F. , Sharifi A. , and Saidi M. R. , J. Chem. Res.(S), 1996, 338.3. Ugi I. , Angew. Chem. Int Ed Engl., 1982, 21, 810.4. Dömling A. , and Ugi I. , Angew. Chem. Int Ed., 2000, 39, 3169.5. Dömling A. , Chem. Rev., 2006, 106, 17.
