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|1. (WO2018105572) METHOD FOR PRODUCING ε-CAPROLACTAM|
|Applicants:||TORAY INDUSTRIES, INC.
|Title:||METHOD FOR PRODUCING ε-CAPROLACTAM|
The present invention is a method for producing ε-caprolactam via adipamide that serves as an intermediate. This method for producing ε-caprolactam is characterized by comprising a lactamization step wherein adipamide produced from a starting material compound is reacted with hydrogen and ammonia in the presence of a catalyst which contains a metal and/or a metal compound having hydrogenation ability and a metal oxide that mainly contains an oxide of one or more metal elements selected from the group consisting of metal elements of the fourth to sixth rows in groups 5, 7 to 14 of the periodic table. This method is capable of enhancing the selectivity of ε-caprolactam.