Heterocyclic Compounds
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ChemInform Abstract: Palladium-Catalyzed Carbomethoxyvinylation and Thienylation of 5-Iodo( Bromo)-2,4-dimethoxypyrimidine in Water.
First published: 03 August 2010
Abstract
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ChemInform Abstract
In connection with a programme concerning the synthesis of new deoxyuridines, the heterogeneous Heck-reaction of 5-halopyrimidine (I) is investigated. With methyl acrylate and thiophene 5-substituted derivatives are obtained. Surprisingly, the use of thiophene under pressure and higher temperature results in formation of the 6- substituted product (VI).
