Pd-catalyzed β-selective direct C-H bond arylation of thiophenes with aryltrimethylsilanes

Org Lett. 2012 Dec 21;14(24):6186-9. doi: 10.1021/ol3029109. Epub 2012 Dec 5.

Abstract

Direct arylation of thiophenes and benzothiophenes with aryltrimethylsilanes was effectively catalyzed by PdCl(2)(MeCN)(2) in the presence of CuCl(2) as an oxidant. The reaction preferentially occurred at the β-position of both thiophenes and benzothiophenes.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Catalysis
  • Combinatorial Chemistry Techniques
  • Copper / chemistry
  • Molecular Structure
  • Palladium / chemistry*
  • Silanes / chemical synthesis
  • Silanes / chemistry*
  • Thiophenes / chemical synthesis
  • Thiophenes / chemistry*

Substances

  • Silanes
  • Thiophenes
  • benzothiophene
  • Palladium
  • Copper
  • cupric chloride