Process for producing substituted 1,11- diaminoundecanes

Details Process for producing substituted 1,11- diaminoundecanes Process for producing substituted 1,11- diaminoundecanes

C - Chemistry, Metallurgy

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C07D 211/26 (2006.01) C07C 209/60 (2006.01) C07D 211/58 (2006.01) C07D 211/72 (2006.01) C07D 307/14 (2006.01) C07D 471/10 (2006.01)

Patent

CA 1197250

Process for producing substituted 1,11-diaminoundecanes Abstract Diamines of the formula I Image (I), wherein R1, R2, R3 and R4 have the meanings defined in Claim 1, can be produced by a simple process comprising reacting 1-aza-1,5,9-cyclododecatrienes, correspondingly substituted in the 3- and/or 12-position, with ammonia and hydrogen, in the presence of a hydrogenation catalyst, to obtain compounds (I). The compounds (I) are used for example as curing agents for epoxide resins, or for producing polyamides.

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