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Synthesis and Cyclizations of N-(2,3-, 3,4- and 3,5-Dimethylphenyl)-β-alanines
AbstractA series of 1-aryl substituted dihydro-, 5-methyldihydro- and 6-methyl-dihydro-2,4(1H,3H)pyrimidinediones and their 2-thio analogues were obtained byreaction of the corresponding β-alanines or α-methyl- and β-methyl-β-alanines with ureaor potassium thiocyanate. The reaction of N-(2,3- and 3,5-dimethylphenyl)-α-methyl-β-alanines with ethyl acetoacetate gave 1-(2,3- or 3,5-dimethylphenyl)-2,5-dimethyl-1,4,5,6-tetrahydro-4(1H)pyridones. The combined spectral data obtained by 1H-, 13C-,1 H/13C (HETCOR) NMR and IR provided useful information about the structure of theproducts synthesized in this work.
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Vaickelioniene, R.; Mickevicius, V.; Mikulskiene, G. Synthesis and Cyclizations of N-(2,3-, 3,4- and 3,5-Dimethylphenyl)-β-alanines. Molecules 2005, 10, 407-416.View more citation formats
Vaickelioniene R, Mickevicius V, Mikulskiene G. Synthesis and Cyclizations of N-(2,3-, 3,4- and 3,5-Dimethylphenyl)-β-alanines. Molecules. 2005; 10(2):407-416.Chicago/Turabian Style
Vaickelioniene, Rita; Mickevicius, Vytautas; Mikulskiene, Gema. 2005. "Synthesis and Cyclizations of N-(2,3-, 3,4- and 3,5-Dimethylphenyl)-β-alanines." Molecules 10, no. 2: 407-416.
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