From reactions of M(OAc)2•nH2O (M = Cu, Mn) or Cu(NO3)2•3H2O with p-methyl-N,N'-dimethyldiazacalix4areneH4 (p-MeLH4) under aerobic conditions, rare examples of azacalixarene-3d-metal complexes were isolated. These, thermally stable non-toxic compounds (≤ µM...
Razieh et al. (Thu,) studied this question.