2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use

and a process for producing 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine by A) reacting isophorone (IP) and malononitrile to afford the intermediate 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)malononitrile, and B) hydrogenating 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)malononitrile in the presen...

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Bibliographische Detailangaben
Hauptverfasser:	Rittsteiger Anne, Ortelt Martina, Nitz Jörg-Joachim, Stemmer Christine, Stasch Anja, Rüfer Alexander Martin, Ott Denise, Demming Michael, Fuchsmann Dirk, Kohlstruk Stephan
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	and a process for producing 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine by A) reacting isophorone (IP) and malononitrile to afford the intermediate 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)malononitrile, and B) hydrogenating 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)malononitrile in the presence of at least one catalyst. In another embodiment, the hydrogenation in step B) of the process is performed at 20-120° C. and at 20-300 bar.