Improved synthesis of dithieno[3,2-b:2',3'-d]thiophene (DTT) and derivatives for cross coupling

Joseph Frey; Andrew D Bond; Andrew B Holmes

doi:10.1039/b207403f

Improved synthesis of dithieno[3,2-b:2',3'-d]thiophene (DTT) and derivatives for cross coupling

Chem Commun (Camb). 2002 Oct 21:(20):2424-5. doi: 10.1039/b207403f.

Authors

Joseph Frey¹, Andrew D Bond, Andrew B Holmes

Affiliation

¹ Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, UK CB2 1EW. [email protected]

PMID: 12430472
DOI: 10.1039/b207403f

Abstract

An improved synthesis of dithieno[3,2-b:2',3'-d]thiophene (DTT) and its 2,6- and 3,5-dibromo derivatives has been devised; Stille cross coupling of 2,5-(bistrimethylstannyl)-DTT afforded the oligomer 12.