Heterocyclic synthesis with nitriles: synthesis of pyrazolopyrimidine and pyrazolopyridine derivatives
The reaction of N1-substituted-5-amino-4-cyanopyrazoles with malononitrile and diethylmalonate occurs with formation of 6-substituted pyrazolo[3,4-d]pyrimidines, and pyrazolo[3,4-b]pyridines respectively. The structures of the products and conceivable mechanisms are discussed.
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Outros Autores: | , |
Formato: | article |
Idioma: | eng |
Publicado em: |
2009
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Assuntos: | |
Texto completo: | http://hdl.handle.net/1822/12593 |
País: | Portugal |
Oai: | oai:repositorium.sdum.uminho.pt:1822/12593 |