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(1R,2R)-N,N′-Diisobutyl-N,N′-dimethyl-cyclo-hexane-1,2-diamine

Acta Crystallographica Section E: Structure Reports Online, ISSN: 1600-5368, Vol: 65, Issue: 5, Page: o956
2009
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Article Description

The title compound, CH3N, is a chiral diamine with fixed R configuration at both stereogenic carbon centres of the cyclo-hexane backbone. Due to their different substituents, the two N atoms also become stereogenic. In the crystal structure, the configuration at one of the two nitro-gen centres is fixed, with the free electron pair pointing inward and the isobutyl group in a trans position towards the cyclo-hexane backbone resulting in an R configuration. The isobutyl group at the second N atom, however, is disordered with 75% S configuration and 25% R configuration. In both cases, the isobutyl group is arranged in a trans position towards the cyclo-hexane backbone.

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