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Synthesis 1991; 1991(7): 581-582
DOI: 10.1055/s-1991-26521
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Homolytic Acylation of Methyl 3-Amino-2-pyrazinecarboxylates

W. Ried* , Th. Russ
  • *Institut für Organische Chemie der Universität Frankfurt am Main, Laboratorium Niederrad, Theodor-Stern-Kai 7, D-6000 Frankfurt a. M. 70, Germany
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Publikationsdatum:
29. April 2002 (online)

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Homolytic acylation of methyl 3-amino-2-pyrazinecarboxylates 1a-c under standard Minisci conditions affords the corresponding 5- or 6-monoacylated pyrazines 3a-d or 4a,b in reasonable yields. With 1a, complete selectivity in favor of the 5-acyl products is observed.