A new method for the synthesis of novel 3‐substituted 4‐amino‐8‐ethoxycarbonylpyrazolo[5,1‐<i>c</i>][1,2,4]triazines and pyrazolo[1′,5′:3,4][1,2,4]triazino[5,6‐<i>b</i>][1,5]benzodiazepines
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説明
<jats:title>Abstract</jats:title><jats:p>Novel 3‐substituted 4‐amino‐8‐ethoxycarbonylpyrazolo[5,1‐<jats:italic>c</jats:italic>][1,2,4]triazines <jats:bold>7,8</jats:bold> were synthesized by the reactions of malononitrile and ethyl cyanoacetate with the pyrazole‐5‐diazonium salt <jats:bold>3</jats:bold>. Moreover, compounds <jats:bold>7,8</jats:bold> were converted into the pyrazolo[1′,5′:3,4][1,2,4]triazino[5,6‐<jats:italic>b</jats:italic>][1,5]benzodiazepines <jats:bold>9, 10</jats:bold>.</jats:p>
収録刊行物
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- Journal of Heterocyclic Chemistry
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Journal of Heterocyclic Chemistry 24 1799-1801, 1987-11-01
Wiley