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Synthesis 2004(14): 2329-2334
DOI: 10.1055/s-2004-831189
DOI: 10.1055/s-2004-831189
PAPER
© Georg Thieme Verlag Stuttgart · New York
Convenient Synthesis of Substituted 3-Alkenylpyrazolo[1,5-a]pyrimidines via Heck Cross-Coupling Reaction
Further Information
Publication History
Received
29 January 2004
Publication Date:
25 August 2004 (online)


Abstract
3-Iodopyrazolo[1,5-a]pyrimidines 3 were easily obtained by direct iodination of pyrazolo[1,5-a]pyrimidines 2 with NIS and could be transformed into a series of new substituted 3-alkenyl-pyrazolo[1,5-a]pyrimidines 5 by Heck cross-coupling.
Key Words
heterocycles - pyrazolo[1,5-a]pyrimidines - iodination - Heck reaction