Journal
CHEMISTRY LETTERS
Volume 51, Issue 9, Pages 932-935Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.220277
Keywords
Porphyrin; Sulfur; Nitrogen
Categories
Funding
- JSPS (KAKENHI) [JP20H05841, JP22K05066, JP20H05840]
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A rational synthetic approach for benzoheterole-fused porphyrins was developed and applied to the synthesis of benzothiophene- and indole-fused porphyrins. The resulting fused porphyrins exhibited red-shifted absorption and fluorescence, attributed to effective pi-expansion through heterole-fused structures. Furthermore, the pi-circuit of the indole-fused porphyrin could be controlled by a central metal ion.
We developed a rational synthetic approach for benzoheterole-fused porphyrins and demonstrated the synthesis of benzothiophene- and indole-fused porphyrins using the approach. The fused porphyrins exhibited red-shifted absorption and fluorescence due to the effective pi-expansion through heterole-fused structures. In addition, the pi-circuit of indole-fused porphyrin can be switched by a central metal ion.
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