期刊
TETRAHEDRON
卷 61, 期 16, 页码 3953-3962出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2005.02.056
关键词
3-and 5-substituted 2(1H)-pyrazinones; heterocyclic compounds; Suzuki reaction; Heck reaction
Various 3,5-dichloropyrazinones were substituted at the C-3 position with (hetero)aryl, alkyl and alkenyl groups by means of Suzuki and Heck reactions. The methodology could be extended to reactions on the far less reactive C-5 position by transhalogenation of the 5-Cl substituent to a 5-Br or a 5-I group prior to performing the cross-coupling. (c) 2005 Elsevier Ltd. All rights reserved.
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