反应详情

5-Amino-3-ethyl-1-methyl pyrazole (British Pat. No. 863,060) (35.2 g.) and 1-acetyl-2-imidazolinone (43.2 g.) were reacted as described in Example I to give 1-acetyl -2-(3-ethyl-1-methyl-5-pyrazolyl) amino-2-imidazoline which was de-acetylated without purification by the method of Example II giving 39.3 g. product. mp 160°-162°