Tetraanthraporphyrin information

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Tetraanthraporphyrin, or tetraanthra[2,3]porphyrin (TAP), is a representative of extended porphyrins. Despite promising properties, tetraanthraporphyrins have until recently been little studied. As was theoretically predicted, extension of pi-electronic system results in the case of TAPs in the destabilization of the third LUMOs and the first HOMOs that makes it unstable against oxidation and reduction.