Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 25, Issue 37, Pages 8797-8804Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201900848
Keywords
chiroptical properties; dipyrrins; excited-state dynamics; Pt-II complexes; pi-electronic systems
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Funding
- JSPS KAKENHI [JP18H01968, JP26107007]
- Ritsumeikan Global Innovation Research Organization (R-GIRO) project
- RIKEN's special postdoctoral researcher program
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Heteroleptic Pt-II complexes comprising pi-extended dipyrrins and 2-phenylquinoline were prepared. Single-crystal X-ray analysis disclosed the stepped conformations of two ligand moieties in these Pt-II complexes. The enantiomers could be separated by HPLC and their configurations were determined from CD spectroscopy results and TD-DFT calculations. Transient absorption measurements revealed excited-state dynamics characterized by fast intersystem crossing and microsecond-order triplet-state lifetimes.
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