Synthesen von 5-Alkyl-2-aryl-pyrimidin-4(3H)-onen |
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| Authors: | Sauter Fritz Stanetty Peter Fuhrmann Ferdinand |
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| Affiliation: | (1) Institut für Organische Chemie, Technische Universität Wien, Getreidemarkt 9, A-1060 Wien, Österreich |
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| Abstract: | The title substances with R2=H (type1) were synthesized by reductive desulfurization of corresponding 2-aryl-thieno-[2,3-d]pyrimidin-3(3H)-ones and 2-aryl-[1]benzothieno[2,3-d]-pyrimidin-4(3H)-ones (both:A), those with R2=CH3 (type2) by cyclization of  -alkyl-acetoacetates with benzamidines. Some derivatives of1 and2 were also prepared (type3). In some cases Raney-Ni desulfurization ofA gave 2-cyclohexylproducts (type4).
Teilweise unter Mitarbeit vonMorteza Baradar. |
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