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Photoredox catalysis of intramolecular cyclizations with a reusable silica-bound ruthenium complex

Barbante, Gregory J., Ashton, Trent D., Doeven, Egan H., Pfeffer, Frederick M., Wilson, David J.D., Henderson, Luke C. and Francis, Paul S. 2015, Photoredox catalysis of intramolecular cyclizations with a reusable silica-bound ruthenium complex, ChemCatChem, vol. 7, no. 11, pp. 1655-1658, doi: 10.1002/cctc.201500304.

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Title Photoredox catalysis of intramolecular cyclizations with a reusable silica-bound ruthenium complex
Author(s) Barbante, Gregory J.
Ashton, Trent D.ORCID iD for Ashton, Trent D. orcid.org/0000-0002-6707-6064
Doeven, Egan H.ORCID iD for Doeven, Egan H. orcid.org/0000-0003-2677-4269
Pfeffer, Frederick M.ORCID iD for Pfeffer, Frederick M. orcid.org/0000-0002-5441-6437
Wilson, David J.D.
Henderson, Luke C.ORCID iD for Henderson, Luke C. orcid.org/0000-0002-4244-2056
Francis, Paul S.ORCID iD for Francis, Paul S. orcid.org/0000-0003-4165-6922
Journal name ChemCatChem
Volume number 7
Issue number 11
Start page 1655
End page 1658
Total pages 4
Publisher Wiley
Place of publication London, Eng.
Publication date 2015-06-01
ISSN 1867-3880
1867-3899
Keyword(s) heterogeneous catalysis
photocatalysis
ruthenium
thiadiazolamines
visible light
Science & Technology
Physical Sciences
Chemistry, Physical
Chemistry
EFFICIENT HETEROGENEOUS PHOTOCATALYSIS
DEHYDROGENATIVE COUPLING REACTIONS
METAL-ORGANIC FRAMEWORKS
CROSS-LINKED POLYMERS
VISIBLE-LIGHT
SYNTHETIC APPLICATIONS
FUNCTIONALIZATION
CHEMILUMINESCENCE
INHIBITORS
ALDEHYDES
Summary Photoredox catalysis with the use of a stable, reusable silica-bound chromophore was applied to the intramolecular cyclization of a series of 2-benzylidenehydrazinecarbothioamides to give 5-phenyl-1,3,4-thiadiazol-2-amines. The catalyst was readily prepared by carbodiimide-mediated coupling of commercially available amine-functionalized silica beads to a carboxylic acid functionalized ruthenium complex. The immobilized catalyst was readily removed from the reaction product by filtration and was used eight times without loss of catalytic activity. This simple, safe, and practical method is an attractive alternative to conventional procedures.
Language eng
DOI 10.1002/cctc.201500304
Field of Research 030601 Catalysis and Mechanisms of Reactions
030503 Organic Chemical Synthesis
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30074151

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Created: Tue, 07 Jul 2015, 09:16:04 EST

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