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descrita. As estruturasedos intermediários e compostos finais foram determinadas a partir dos dados espectroscópicos. A facile and efficient synthesis of 3-aryl-5-[(1S)-t-butyloxycarbonyl-1-amino-(2S)-methyl-1-butyl)]-1,2,4-oxadiazoles 4a-f and 3-phenyl-5-[(1S)-t-butyloxycarbonyl-1-amino-1-ethyl]-1,2,4-oxadiazole 6 starting from arylamidoximes, N-t-Boc-L-isoleucine and N-t-Boc-L-alanine is decribed.The structures of the intermediates and final compounds have been deduced from spectroscopic data.

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Simple, Multicomponent, Ecofriendly, Microwave-Mediated Route for the Synthesis of Antimicrobial 2-Amino-6-aryl-4-(3H)-pyrimidinones. -Pyrimidinones (IVa) and (IVf) show significant activity against S. aureus and P. aeruginosa, respectively. -(DA SILVA*, I. E. A.; BRAGA, V. M. L.; MELO, M. S.; DOS S. CORREIA, M. T.; DOS ANJOS, J. V.; Synth. Commun. 44 (2014) 3, 374-380, http://dx.

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