Cyclometalated (boroxinato)gold(III) complexes from arrested transmetalation
Amberle R Browne1, Nihal Deligonul1, Bryce L Anderson2
1Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, USA. tgray@case.edu.
Chemical Communications (Cambridge, England)
|September 15, 2015
Summary
Researchers developed new gold compounds with boroxinato ligands, which are rare metallaboroxine analogues. These novel gold-boroxinato complexes exhibit phosphorescence, expanding the chemistry of boroxine derivatives.
Area of Science:
- Organometallic Chemistry
- Inorganic Chemistry
- Materials Science
Background:
- Organic boroxines are common cyclic boron-oxygen compounds.
- Metallaboroxine analogues, where a metal replaces boron, are scarce in chemical literature.
- Boroxine derivatives offer unique structural and electronic properties.
Purpose of the Study:
- To synthesize and characterize a new class of (boroxinato)gold complexes.
- To investigate the photophysical properties, specifically phosphorescence, of these novel compounds.
- To expand the known chemistry of metallaboroxines.
Main Methods:
- Synthesis of novel gold-boroxinato compounds.
- Single-crystal X-ray diffraction for structural characterization.
- Photoluminescence spectroscopy to study phosphorescence.
Main Results:
- Successful synthesis of a new class of (boroxinato)gold species.
- Crystallographic characterization of four new gold-boroxinato compounds.
- Observation of phosphorescence emission from these boroxinato complexes.
Conclusions:
- Demonstrated the feasibility of incorporating gold into boroxinato structures.
- Established (boroxinato)gold complexes as a new class of organometallic compounds.
- Reported the first instances of phosphorescence in boroxinato complexes, opening avenues for luminescent materials.
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