Trans-1,2-Diaminocyclohexane

| ChemSpiderID = 420572 | InChI = 1/C6H14N2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4,7-8H2/t5-,6-/m0/s1 | InChIKey = SSJXIUAHEKJCMH-WDSKDSINBK | StdInChI_Ref = | StdInChI = 1S/C6H14N2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4,7-8H2/t5-,6-/m0/s1 | StdInChIKey_Ref = | StdInChIKey = SSJXIUAHEKJCMH-WDSKDSINSA-N | CASNo_Ref = | CASNo=1121-22-8 | UNII_Ref = | UNII = 37EKL250EE | PubChem = 479307 | SMILES = N[C@H]1CCCC[C@@H]1N }} |Section2= |Section3= }}

'''''trans''-1,2-Diaminocyclohexane''' is an organic compound with the formula C₆H₁₀(NH₂)₂. This diamine is a building block for ''C''₂-symmetric ligands that are useful in asymmetric catalysis.

A mixture of all three stereoisomers of 1,2-diaminocyclohexane is produced by the hydrogenation of ''o''-phenylenediamine. It is also side product in hydrogenation of adiponitrile. The racemic ''trans'' isomer (1:1 mixture of (1''R'',2''R'')-1,2-diaminocyclohexane and (1''S'',2''S'')-1,2-diaminocyclohexane) can be separated into the two enantiomers using enantiomerically pure tartaric acid as the resolving agent.

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