Synthesis and Electrophilic Substitutions of Novel Pyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidines

5-Aryl-7-hydrazino-2-phenylpyrazolo[1,5-c]pyrimidines 1 were used as precursors for the preparation of a new series of 5-aryl-8-phenylpyrazolo[1,5-c]-1,2,4- triazolo[4,3-a]pyrimidines 2. The reactions of 2 with certain electrophilic reagents gave the respective 6-substituted derivatives 3-5 rather t...

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Autor principal:	Kamal F.M. Atta
Formato:	Artigo
Idioma:	Inglês
Publicado em:	MDPI AG 2011-08-01
coleção:	Molecules
Assuntos:	pyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidines synthesis electrophilic substitution reactions dehydrative cyclization
Acesso em linha:	http://www.mdpi.com/1420-3049/16/8/7081/
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