The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研硒为催化剂,有机胺为助催化剂,对氯硝和二甲胺为反应底物,经高选择性氧化还化一步合成灭草隆除草剂。