Comparison of Ullmann/RCM and Ullmann/bis-hydrazone coupling reactions; New access to benzodithiophenes for dye-sensitized solar cell and thiahelicene applications

Stephenson, G. ORCID: https://orcid.org/0000-0003-1487-9178, Cauteruccio, Silvia and Doulcet, Julien (2014) Comparison of Ullmann/RCM and Ullmann/bis-hydrazone coupling reactions; New access to benzodithiophenes for dye-sensitized solar cell and thiahelicene applications. Synlett, 25 (05). pp. 701-707. ISSN 0936-5214

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Abstract

The use of CuTC (Liebeskind’s catalyst), followed by methylenation and ring-closing metathesis, or bis-hydrazone coupling reactions is described. This establishes an alternative non-photochemical synthesis of the strategically important 1,2-b:4,3-b' BDT regioisomer which previously has been under-used in applications such as dye-sensitized solar cells and nonlinear optics because of the difficulty of synthesis on a large scale.

Item Type:	Article
Uncontrolled Keywords:	benzodithiophene,liebeskind’s catalyst,bis-hydrazone coupling,alkene metathesis,non-photochemical ,synthesis,general chemistry ,/dk/atira/pure/subjectarea/asjc/1600/1600
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Synthetic Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Materials and Catalysis (former - to 2025)
Depositing User:	Pure Connector
Date Deposited:	23 Jun 2016 23:03
Last Modified:	18 Jun 2026 16:39
URI:	https://ueaeprints.uea.ac.uk/id/eprint/59490
DOI:	10.1055/s-0033-1340667

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