| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of stably and continuously producing an N-substituted carbamic acid ester in good yield for a long period of time.SOLUTION: A method of producing a N-substituted carbamic acid ester from a first organic amine, urea, and a hydroxy compound includes a step of obtaining the N-substituted carbamic acid ester by the reaction of a reaction mixture containing the hydroxy compound, wherein the concentration of water in the reaction mixture is 5×10to 1 mass%. |
