Continuous process for the hydrogenation of 3-cyano-3,5,5-trimethyl-cyclohexylimine

Continuous process for the hydrogenation of 3-cyano-3,5,5-trimethyl-cyclohexylimine

  • CN 101,568,516 A
  • Filed: 12/19/2007
  • Published: 10/28/2009
  • Est. Priority Date: 12/22/2006
  • Status: Active Application
First Claim
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1. one kind prepares 3-amino methyl-3,5, the continuation method of 5-trimethyl cyclohexylamine, wherein make and contain 3-cyano group-3,5, the incoming flow of 5-trimethylcyclohexyl imines and hydrogen and ammonia react in the presence of hydrogenation catalyst, wherein at a part of 3-cyano group-3,5, after 5-trimethylcyclohexyl imines has reacted, during reaction by making reaction mixture and not being the basic cpd of ammonia and/or contacting the alkalescence that improves reaction mixture with basic catalyst.

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