The aggregation of a 1:1 mixture of complementary Sn(IV)- and Zn(II)-porphyrins into cyclic decameric and dodecameric assemblies has been demonstrated by 1H NMR, GPC, DOSY and MALDI-TOF spectrometry.
Cyclic oligomers based on complementary Zn(II) and Sn(IV)-porphyrins
New J. Chem. 2009, 33, 777-783.