| 摘要 |
1391135 Caprolactam SUN RESEARCH & DEVELOPMENT CO 2 Nov 1973 [3 Nov 1972] 50948/73 Heading C2C Caprolactam is prepared by contacting cyclohexanol with ammonia and oxygen or air in the presence of a catalyst which is a salt of a group IA or IIA metal and a peroxide initiator at an elevated temperature. Exemplified group IA and IIA metal salts are the halides and thiocyanates of Li, Na, K, Mg, Ca, Sr and Ba. Suitable peroxide initiators are methyl ethyl ketone peroxide and benzoyl peroxide. |
