N-Phenyl-N'-cyano-0-phenylisoureas are prepared from N-cyanodiphenoxyimidocarbonate and either a substituted o-phenylenediamine or a substituted o-aminophenol. The isoureas of the invention are of use as intermediates especially for preparing 2-cyanamido and 2-carbomethoxy- aminobenzimidazole and benzoxazole compounds having antheimintic activity.
N-苯基-N'-
氰基-0-苯基异
脲类由 N-
氰基二苯氧基亚
氨基二
碳酸盐和取代的
邻苯二胺或取代的邻
氨基苯酚制备而成。本发明的异
脲类化合物可用作中间体,特别是用于制备具有抗海因活性的 2-
氰基
氨基和 2-羰基甲氧基
氨基
苯并咪唑和
苯并恶唑化合物。