Studies of the Metal Complexes of Cyclohexane Derivatives. VII. Preparation and Properties of Platinum(II) and Cobalt(III) Complexes of (1R,2S)-1-Aminomethyl-2-methylcyclohexylamine

Article abstract of DOI:10.1246/bcsj.56.449

Optically active (1R,2S)-l-aminomethyl-2-methylcyclohexylamine (R,S-2m-amcha) was synthesized and two Pt(II) and two types of Co(III) complexes containing this ligand were prepared. 1H-NMR and 13C-NMR spectra of the Pt(II) complexes and CD spectrum of trans-⁺ indicated that the chelate ring takes predominantly the λ conformation with the equatorial C₁-C₂ bond of the cyclohexane ring.The absolute configuration of the ligand has been assigned on the basis of the conformation of the complexes.All possible isomers of the tris Co(III) complex, fac-Δ(lel₃), mer-Δ(lel₃), mer-Λ(ob₃), and fac-Λ(ob₃), were isolated and characterized.