Reatividade de vinil azidas E1 - azirinas contendo um grupo metileno ativado frente a reagentes carbonilados em meio basico : parte 1: sintese de compostos aciclicos polifuncionais. parte 2: preparação de 3-oxazolinas-5-acetato e outros derivados de oxazois

AUTOR(ES)
DATA DE PUBLICAÇÃO

1995

RESUMO

This work concerns the reactivity of compounds containing an activated methylene group in basic media. The acetate group in the compounds 99, 100 and 101 acts as the major reactive center in the presence of base. Novel oxazoles, tetrahydrofurans and 1-azirines derivatives were obtained in these reactions. Also, functionalized acyclic compounds were prepared, and the reactivity of these new systems was explored. Mechanisms of these observed transformations were discussed, with the emphasis in the new aspects of organic chemistry. (...continue)

ASSUNTO(S)

reatividade (quimica) compostos de azo reações quimicas

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