Carbazole-embedded porphyrin-like macrocycle 3, bearing a meso-pyrrole substituent, exhibits dual fluorescence. Photophysical studies reveal two distinguishable NH-tautomers arising through double intramolecular hydrogen transfer.
嵌入
咔唑基囊状
卟啉类大环3,带有一个meso-
吡咯基取代基,表现出双重荧光性。光物理研究揭示了通过双分子内氢转移产生的两种可区分的NH-互变异构体。