The Heck-Matsuda arylation of 2-hetero-substituted acrylates |
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Authors: | Francisco de AzambujaCarlos Roque Duarte Correia |
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Institution: | Instituto de Química, Universidade Estadual de Campinas, UNICAMP, 13084-971 Campinas, São Paulo, Brazil |
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Abstract: | The Heck-Matsuda arylation of 2-aza and 2-oxo-substituted acrylates is described. Several reaction conditions were evaluated including the influence of solvents, temperature, catalysts, and stoichiometry. While the oxygenated system was successfully arylated in benzonitrile with Pd2(dba)3 as catalyst, the aza-acrylate furnished methoxylated products. The methoxylated products were subjected to an elimination/reduction protocol to obtain the corresponding N,O-protected phenylalanine derivatives. A one-pot procedure for the preparation of phenylalanine derivatives from 2-aza-substituted acrylates is presented. |
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