... asymmetric synthesis. The following derivatives are all available from warehouse. (+/-)-trans-1,2-Diaminocyclohexane CAS:1121-22-8 (1R,2R)-(-)-1 ... -8 (1S,2S)-(+)-1,2-Diaminocyclohexane CAS:21436-03-3 trans- N,N-Dimethyl-1,2-cyclohexanediamine CAS:67198-21-4 (1R,2R)-N ... ,N-Dimethyl-1,2-diaminocyclohexane CAS:320778 ...