2002 pyrazine derivatives

pyrazine derivativesR 0550

23 - 178Microwave-Enhanced Goldberg Reaction: A Novel Route to N-Arylpiperazinones and N-Arylpiperazinediones. — The Goldberg-type arylation of structurally diverse amides (I) and (IV) is remarkably enhancedby microwave irradiation. — (LANGE, JOS H. M.; HOFMEYER, LOVINA J.F.; HOUT, FLORIS A. S.; OSNABRUG, STEFAN J. M.; VERVEER, PETERC.; KRUSE, CHRIS G.; FEENSTRA, ROLF W.; Tetrahedron Lett. 43 (2002)6, 1101-1104; Res. Lab., Solvay Duphar B. V., NL-1380 DA Weesp, Neth.; EN)

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