Author: Sebastien Piant

0000000000608451

AUTHOR

Sebastien Piant

showing 2 related works from this author

Inside Cover: Synthesis and Characterization of Carbazole-Linked Porphyrin Tweezers (Chem. Eur. J. 34/2015)

2015

ChemistryCarbazoleOrganic ChemistrySonogashira couplingGeneral ChemistryElectrochemistryPhotochemistryPorphyrinCatalysisCharacterization (materials science)chemistry.chemical_compoundTweezersCover (algebra)Glaser couplingChemistry - A European Journal

researchProduct

Synthesis and Characterization of Carbazole-Linked Porphyrin Tweezers

2015

Herein the synthesis, spectroscopic characterization, two-photon absorption and electrochemical properties of 3,6-disubstituted carbazole tweezers is reported. A dimer resulting from a Glaser homocoupling was isolated during a Sonogashira coupling reaction between a diethynyl-carbazole spacer and a 5-bromo-triarylporphyrin and the properties of this original compound were compared with the 3,6-disubstituted carbazole bisporphyrin tweezers. The dyads reported herein present a two-photon absorption maximum at 920 nm with two-photon absorption cross-section in the 1200 GM range. Despite a strong linear absorption in the Soret region and moderate fluorescence quantum yield, they both lead to a …

CarbazoleDimerOrganic ChemistrySonogashira couplingQuantum yieldGeneral ChemistryPhotochemistryPorphyrinCatalysischemistry.chemical_compoundchemistryTweezersGlaser couplingAbsorption (electromagnetic radiation)Chemistry - A European Journal

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