申请人:Chevron Research Company
公开号:US04126614A1
公开(公告)日:1978-11-21
3-OXACAPROLACTAM IS PREPARED BY A PROCESS WHICH COMPRISES: CONTACTING AN ORGANIC ACID ANHYDRIDE SOLUTION OF A CYANOALKOXYALKANOATE WITH HYDROGEN IN THE PRESENCE OF A NOBLE METAL HYDROGENATION CATALYST TO PREPARE AN AMIDE-ESTER; AND HEATING THE AMIDE-ESTER IN EXCESS WATER AT A TEMPERATURE ABOVE ABOUT 200.degree. C.
3-OXACAPROLACTAM是通过以下过程制备的:将氰基烷氧基烷酸酯的有机酸酐溶液与氢在贵金属氢化催化剂的存在下接触,制备酰胺酯;并在超过约200°C的温度下在过量水中加热酰胺酯。