2005
DOI: 10.2174/1389557053544047
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Imidazole and Benzimidazole Derivatives as Chemotherapeutic Agents

Abstract: Imidazole and benzimidazole systems are presented in a large number of common therapeutics agents. They were widely used in organic and medicinal chemistry, but recently the development of N-oxide derivatives got an improvement from the point of view of its chemical and biological activity. Though we will review recent developments in chemical and biological profiles (as antitumoral, antiparasitic, antiviral and antimicrobial agents) of these heterocycle systems and the corresponding N-oxides.

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Cited by 414 publications
(203 citation statements)
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“…their applications as building blocks of imidazole derivatives [1][2][3] and for their diverse biological activities [4][5][6]. Convenient syntheses of 2-unsubstituted imidazole N-oxides are condensations of α-(hydroxyimino)ketones with in situ generated methylidenamines [7], of α-aminooximes with orthoformates [8], and of diimines with formaldoxime [9].…”
Section: Introduction -Imidazole N-oxides Are Interesting Compounds mentioning
confidence: 99%
“…their applications as building blocks of imidazole derivatives [1][2][3] and for their diverse biological activities [4][5][6]. Convenient syntheses of 2-unsubstituted imidazole N-oxides are condensations of α-(hydroxyimino)ketones with in situ generated methylidenamines [7], of α-aminooximes with orthoformates [8], and of diimines with formaldoxime [9].…”
Section: Introduction -Imidazole N-oxides Are Interesting Compounds mentioning
confidence: 99%
“…67 Com base nisso foi planejada uma nova série de derivados N-óxido-benzimidazóis não tautomerizáveis e a atividade in vitro foi determinada contra a forma epimastigota de T. cruzi. 70 Com o intuito de aumentar a diversidade química e melhorar algumas propriedades físico-químicas desta classe de compostos, as estratégias de ciclização de o-nitro-anilinas e de reação de derivados de benzofuroxanos com 2-bromoacetato, iodeto de pentila e nitroalcanos foram empregadas com sucesso. 71 Na primeira estratégia, a ciclização térmica de onitro-anilinas catalisada por ácido conduziu a uma série de derivados N-óxido1H-benzimidazóis (35)(36)(37)(38)(39) …”
Section: Planejamento De Moléculas Bioativas: Integração Entre Químicunclassified
“…Em contraste com seus precursores, estes compostos apresentaram alta solubilidade em solventes orgânicos e modesta atividade inibitória (8-25% de inibição). 70 Com base na premissa da suposta atividade inibitória promissora dos derivados N-óxidos (verdadeiros), foram sintetizados novos benzofuroxanos com o emprego de 2-nitropropano e piperidina (Figura 12). Esta estratégia sintética impossibilitou a formação de isômeros funcionais dos derivados 1,3-dióxido de 2H-benzimidazóis (47)(48)(49)(50)(51)(52) 70 De modo geral, esses resultados ilustram como a síntese orgânica planejada auxilia no desenvolvimento e otimização de propriedades biológicas de novos compostos bioativos.…”
Section: Planejamento De Moléculas Bioativas: Integração Entre Químicunclassified
“…As reported, imidazole rings are widely employed as spin-trapping species in the interesting application of designing drugs with neuroprotective activity [10,11]. These imidazole-based derivatives also have several favorable properties such as excellent bioavailability, good tissue penetrability and permeability and a relatively low incidence of adverse and toxic effects, which suggests that they have considerable development potential in chemistry, materials science and medicinal chemistry [12].…”
Section: Introductionmentioning
confidence: 99%