Monomeric Au(II) complex with hematoporphyrin IX

Synthesis, Structural Characterization, and Cytotoxic Activity of Novel Paramagnetic Platinum Hematoporphyrin IX Complexes: Potent Antitumor Agents

“…The model is based on the assumption that platinum is in oxidation state +3 (I = 1/2), with natural abundance of 195 Pt 33.8%. Platinum(III) is assumed to be coordinated via four nitrogens of the porphyrin macrocycle [ 39 ]. Nitrogen nuclei ( 14 N, I = 1) are present in two groups of magnetically equivalent nuclei, each group containing two opposite nitrogen nuclei from the porphyrin cycle.…”

Gold(iii) tetraarylporphyrin amino acid derivatives: ligand or metal centred redox chemistry?

“… 10 Further outstanding examples are the fluorosulfate 11 and xenon complexes 12 of Au II . Nitrogen donor ligands such as porphyrinato ligands have been reported to stabilise Au II with respect to disproportionation and dimerization 9 , 13 to [AuII2] species 14 as well ( Scheme 1 , A , B , [C + ]* ). Disproportionation and dimerisation of [Au II (en) 2 ] 2+ D 2+ has been suppressed by encapsulation in the pores of a zeolite (en = ethylenediamine).…”

Gold(I) and Gold(III) Corroles

“…Reviews on the broad array of gold‐catalyzed reactions reveal that the majority of homogeneous catalysts used to date are gold(III) halides or cationic [Au(PPh 3 )] + fragments 2. 3 Divalent gold complexes are much more rare and mostly restricted to complexes with unsaturated dithiolate and porphyrin ligands,4, 5 where delocalization of the unpaired electron through the π system is possible 6. The most prominent research direction on gold(III) porphyrins appears to be their utilization as anticancer drugs, with indications that they may be of larger potency than cis ‐platin 7.…”