Dimerisation of dimethyl sulphoxide in dipolar aprotic solvents using R,S,R,S-1,4,8,11-tetramethyl-1,4,8,11-tetra-azacycltetradecanenickel(II) as a probe
T. Yokoyama, E. Iwamoto, and T. Kumamaru
J. Chem. Soc., Faraday Trans.
RSC
86
17
2937
2941