Synthesis of 4-amino-3,5-dicyano-arylpyrazoles : part 2 : isolation and characterization of by-products
Reaction of (dicyanomethylidene-hydrazino)benzoic acids with chloroacetonitrile, under basic conditions, gave cyanomethyl-3-(7-amino-3,5-dicyano-1H-pyrazolo[4,3-d]pyrimidin-1-yl-benzoates and para substituted cyanomethyl benzoates, in addition to the expected cyanomethyl 3-(4-amino-3,5-dicyano-1H-py...
Autor principal: | |
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Outros Autores: | , , |
Formato: | article |
Idioma: | eng |
Publicado em: |
2012
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Assuntos: | |
Texto completo: | http://hdl.handle.net/1822/13220 |
País: | Portugal |
Oai: | oai:repositorium.sdum.uminho.pt:1822/13220 |
Resumo: | Reaction of (dicyanomethylidene-hydrazino)benzoic acids with chloroacetonitrile, under basic conditions, gave cyanomethyl-3-(7-amino-3,5-dicyano-1H-pyrazolo[4,3-d]pyrimidin-1-yl-benzoates and para substituted cyanomethyl benzoates, in addition to the expected cyanomethyl 3-(4-amino-3,5-dicyano-1H-pyrazol-1-yl)-benzoates. |
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