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Efficient synthesis of meso-substituted corroles in a H2O-MeOH mixture.
New and efficient conditions for the synthesis of meso-substituted corroles were developed and it was found that the reaction of unhindered dipyrromethanes with aldehydes under analogous conditions afforded trans-A2B-corroles in very high yields without scrambling. Expand
Molecular approach toward information storage based on the redox properties of porphyrins in self-assembled monolayers
A molecular approach to information storage is described that uses porphyrins attached to a Au microelectrode as the memory storage element. A set of four zinc porphyrins has been examined, with eachExpand
Comparison of oxidative aromatic coupling and the Scholl reaction.
The authors venture the hypothesis that, depending on the electronic structure of the substrates and the nature of the "catalyst", two different mechanisms can operate, one involves the intermediacy of a radical cation and the other the formation of a sigma complex between the acid and the substrate. Expand
Electronic Supplementary Material ( ESI ) for ChemComm
a. College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China b. Beijing NMR Center, Peking University, Beijing, 100871, China c. School of Life Sciences;Expand
Diketopyrrolopyrroles: Synthesis, Reactivity, and Optical Properties
First reported by Farnum as much as 40 years ago, diketopyrrolopyrroles (2,5-dihydropyrrolo[4,3-c]pyrrolo-1,4-diones) are currently one of the most widely used dyes, with applications that spanExpand
Electrochemistry and spectroelectrochemistry of meso-substituted free-base corroles in nonaqueous media: reactions of (Cor)H3, [(Cor)H4]+, and [(Cor)H2]-.
Eleven free-base corroles with different electron-donating or electron-withdrawing meso substituents were characterized as to their electrochemistry and UV-visible spectroscopy in benzonitrile (PhCN)Expand
5-Substituted dipyrranes: synthesis and reactivity.
The overall progress made in the last twenty years in this field is described, mainly focusing on the most practical and useful synthetic methodologies and a critical comparison of various conditions reported in the literature is offered. Expand
Quadrupolar, emission-tunable π-expanded 1,4-dihydropyrrolo[3,2-b]pyrroles--synthesis and optical properties.
It was demonstrated that the increase in the molecular length of the chromophore effectively extends π-conjugation in these molecules, and the donor-acceptor interactions were also found to influence the two-photon absorption properties. Expand
Solvent polarity effect on intramolecular electron transfer in a corrole-naphthalene bisimide dyad.
The failure of the commonly used methods in the calculation of CS energy levels in apolar solvents is confirmed and recombination to the triplet state of corrole (excited state at the lowest energy) is excluded on the basis of the experimentally determined triplet yields. Expand
Strategy towards large two-photon absorption cross-sections for diketopyrrolopyrroles
Three quadrupolar donor–acceptor–donor compounds bearing diketopyrrolopyrroles as a central core and exceptionally electron-rich diarylaminofurans and dialkylaminobenzofuran as donors were designed.Expand