反应详情

Using the process described in Example 49, 1-(quinolin-2-oyl)-imidazolin-2-one and 2,6-dichloroaniline, in the presence of an excess of phosphorus oxychloride, give 1-(quinolin-2-oyl)-2-(2',6'-dichlorophenylamino)-2-imidazoline of melting point 196°-197.5° C.; the material is identical with the product obtained according to Example 46.