An exocyclic π-extension of phenanthriporphyrin reduces the macrocyclic antiaromaticity of the formed expanded carbaporphyrinoids.

The unique [Fe(CO)5]-induced cyclocarbonylation of the phenanthriporphyrin's core is an intriguing example of a post-synthetic core modification of the macrocycle. The reaction involves the activation of C(22)−H and C(25)−H bonds,...

The self-assembly of 2,5-diformylpyrrole, tris(2aminoethyl)amine, and silver(I) yielded, depending on the size and basicity of the anion, new cascade complexes or plenates, that is, cryptates incorporating Ag n n + clusters. The nature of the product was counterion-dependent, and its formation was either driven by cascade anion binding or by argentophilic interactions stabilizing the cluster within the cavity. The reaction of plenates with tetrabutylammonium halides resulted in the protonation-coupled replacement of the Ag 3 3 + with anion(s), yielding cascade cryptates.

The self‐assembly of 2,5‐diformylpyrrole, tris(2‐aminoethyl)amine, and silver(I) yielded a series of new cascade complexes or plenates, that is, cryptates incorporating Agnn+ clusters. The tripyrrolic cage is represented by a wooden chest hiding the treasure, which in the case of plenates, contains a pile of shiny silver atoms. In contrast, for cascade complexes, two precious metals lie next to anions shown as colorful gems. Obviously, such treasure cannot remain unprotected… More information can be found in the Research Article by B. Szyszko and co‐workers (DOI: 10.1002/chem.202203850).