METHOD FOR PRODUCING SUBSTITUTED UREA AND CARBAMATE COMPOUND FROM AMINE, CARBON DIOXIDE AND EPOXY COMPOUND

摘要

PROBLEM TO BE SOLVED: To provide an economical method capable of simultaneously producing substituted urea and a carbamate compound from amine at a high yield, and an indium-containing ionic liquid catalyst can be reutilized for plural times.SOLUTION: Provided is a method for simultaneously producing substituted urea shown in reaction equation 1 by reaction in a single container by reacting amine, carbon dioxide and an alkylene oxide compound in an indium-containing ionic liquid composite catalyst system with an alkylene oxide compound. The ionic liquid catalyst is the one obtained by adding an alkali metal halide as an additive to the main catalysts of amine cation and indium halide.