Fused Hybrids of a [22]Smaragdyrin BF2 Complex with a NiII Porphyrin

[22]Smaragdyrin BF2 complex (S)-Ni-II porphyrin (P) fused hybrids were synthesized through Suzuki-Miyaura coupling of brominated S with borylated P and subsequent oxidative fusion reaction with FeCl3 as the first example of directly fused porphyrinoids bearing cycloheptatriene linkage. These fused hybrids have been fully characterized, including their X-ray structural analysis. Owing to the cycloheptatriene linkage, these fused hybrids adopt waving structures. These fused hybrids display red-shifted and enhanced Q-like bands and characteristic redox potentials, depending upon the constitution and the linking position.

Automated summary

In this study, directly fused porphyrinoids with cycloheptatriene linkage were synthesized through chemical reactions. These fused hybrids exhibit unique structures and properties, which were fully characterized using X-ray structural analysis.