A convenient method for the synthesis of 6-R-3-arylazo-1H-pyridazin-4-ones from difluoroboron chelates of acetylacetone and aroylacetones was developed. The method is based on the ability of the methyl group of the chelates to react with two equivalents of a diazonium salt.
本研究开发了一种从
乙酰丙酮和阿罗基
丙酮的二
氟硼螯合物合成 6-R-3-arylazo-1H-pyridazin-4-ones 的简便方法。该方法的基础是螯合物的甲基能与两当量的重氮盐发生反应。