Regioselective N-substitution of cyclen with two different alkyl groups: synthesis of all possible isomersElectronic supplementary information (ESI) available: spectroscopic data. See http://www.rsc.org/suppdata/cc/b2/b212667b/
Regioselective N-substitution of cyclen with two different alkyl groups: synthesis of all possible isomersElectronic supplementary information (ESI) available: spectroscopic data. See http://www.rsc.org/suppdata/cc/b2/b212667b/