Synthesis of ethyl 2-aminodihydro-5-pyrimidinecar-boxylate derivatives and 3,7-diethoxycarbonyl-4,6-dihydro-2,4,6,8-tetraaryl-1H-pyrimido[1,2-a]pyrimidines |
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| Authors: | Ren Milcent Jean-Claude Malanda Go Barbier Jacqueline Vaissermann |
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| Institution: | René Milcent,Jean-Claude Malanda,Géo Barbier,Jacqueline Vaissermann |
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| Abstract: | Reactions of ethyl 3-aryl-2-benzoylpropenoates 1 with guanidine and N-alkyl(or benzyl)guanidines have been investigated. Ethyl 2-aminodihydro-5-pyrimidinecarboxylate derivatives 3, 4 or 5, and 3,7-diethoxy-carbonyl-4,6-dihydro-2,4,6,8-tetraaryl-1H-pyrimido1,2-a]pyrimidines 6 have been synthesized. |
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