| 摘要 |
<p>Disclosed is a process for selectively producing aliphatic cyclic amines which comprises reacting a dihydric alcohol characterized by four to six carbons, preferably 1,5-pentane diol, with excess ammonia in presence of ZSM-5 catalyst modified with group of element nickel, copper or cobalt-containing, at a temperature of at least 250 °C, wherein said catalyst incorporates at least one metal.</p> |
