Phosphaphenalene
Phosphaphenalenes are a class of heterocyclic aromatic compounds containing phosphorus with molecular formula C12H9P. It is related to phenalene C13H10, where one of its carbons is replaced by phosphorus (phenalene is a polycyclic aromatic hydrocarbon).[1] Phosphaphenalene can exist in a number of isomers depending on where in the ring system the phosphorus atom is placed. The phosphorus atom in these molecules has unusual properties, in particular changing its affinity as an electron acceptor when exposed to certain wavelengths of light. This makes phosphaphenalenes useful in optoelectronic applications such as temperature-dependent luminescence and electrochromism (reversibly changes colour when electricity is applied).[2][3]
References
[edit]- ^ Trujillo, Cristina; Sánchez-Sanz, Goar; Alkorta, Ibon; Elguero, José (2017). "An insight on the aromatic changes in closed shell icosagen, tetrel, and pnictogen phenalenyl derivatives". Struct. Chem. 28 (2): 345–355. doi:10.1007/s11224-016-0882-y. S2CID 99796626.
- ^ Hindenberg, Philip; Romero-Nieto, Carlos (2016). "Phosphaphenalenes: An evolution of the phosphorus heterocycles". Synlett. 27 (16): 2293–2300. doi:10.1055/s-0035-1562506.
- ^ Romero‐Nieto, Carlos; López-Andarias, Alicia; Egler-Lucas, Carolina; Gebert, Florian; Neus, Jens-Peter; Pilgram, Oliver (2015). "Paving the way to novel phosphorus‐based architectures: A noncatalyzed protocol to access six‐membered heterocycles". Angew. Chem. Int. Ed. 54 (52): 15872–15875. doi:10.1002/anie.201507960. PMID 26549742.
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