Answers are grounded in this paper and cite their sources.
4-tert-Butylphenyl-substituted and fused quinoidal porphyrins 1 and 2 are prepared for the first time. They show (1) intense one-photon absorption in the far-red/near-infrared region, (2) enhanced two-photon absorption compared with aromatic porphyrin monomers, and (3) amphoteric redox behavior. Their geometry and electronic structure are studied by DFT calculations.
No takes yet. Share an insight, caveat, or question.
Zeng et al. (2012) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: