Nitriles in organic synthesis: A novel synthesis of benzo[<i>h</i>]pyrimidino[1,2-<i>c</i>]-pyridazinone and hydrazonobut-2-enonitrile derivatives
作者:Ebtisam Abdel Aziz Hafez、Zaghloul El-Shahat Kandeel、Mohamed Hilmy Elnagdi
DOI:10.1002/jhet.5570240142
日期:1987.1
A new synthesis of benzo[h]pyrimidino[1,2-c]pyridazinones via coupling diazotised anthranilic acid with 1-phenylethylidenemalononitrile (1) is reported. Synthesis of new 1-antipyrin-4-yl and 1-pyrazol-5-ylpyridazine derivatives utilizing 1 as starting material is also described.
报道了通过重氮化的邻氨基苯甲酸与1-苯基亚乙基丙二腈(1)的偶合合成苯并[ h ]嘧啶基[1,2- c ]哒嗪酮的新方法。还描述了以1为起始原料合成新的1-antipyrin-4-yl和1-pyrazol-5-ylpyridazine衍生物。