Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/15410
Título: | A facile one-pot synthesis of 3-imidazolyl 1,2,4-triazoles and 1,2,4-oxadiazolones |
Autor(es): | Dias, Alice Cabral, Isabel Vila-Chã, Sofia Cunha, Daniela Senhorães, Nádia Nobre, Sandra Sousa, Cristina Proença, M. Fernanda R. P. |
Palavras-chave: | Heterocycles Cyclization Ring closure Imidazole 1,2,4-triazole 1,2,4-oxadiazole |
Data: | 2010 |
Editora: | Thieme Medical Publishers |
Revista: | Synlett |
Resumo(s): | 5-(5-Amino imidazole-4-yl)-1,2,4-triazol-3-ones were obtained under mild experimental conditions from 5-amino-4-(N-ethoxycarbonyl) cyanoformimidoyl imidazoles and hydrazine in a rapid one-pot reaction. When hydroxylamine hydrochloride was used, in the presence of base, the corresponding 1,2,4-oxadiazol-5-ones were isolated. An equally fast reaction occurred when 5-amino-4-(N-acetyl/benzoyl) cyanoformimidoyl imidazoles were combined with hydrazine to give 5-(5-amino imidazole-4-yl)-1,2,4-triazoles. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/15410 |
DOI: | 10.1055/s-0030-1258820 |
ISSN: | 0936-5214 |
Arbitragem científica: | yes |
Acesso: | Acesso restrito UMinho |
Aparece nas coleções: | CDQuim - Artigos (Papers) |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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A Facile One-Pot Synthesis of 3-Imidazolyl 1,2,4-Triazoles and 1,2,4-Oxadiazolones.pdf Acesso restrito! | Documento Principal | 119,5 kB | Adobe PDF | Ver/Abrir |