Ni-catalyzed ketene cycloaddition: a system that resists the formation of decarbonylation side products

J Am Chem Soc. 2011 May 25;133(20):7719-21. doi: 10.1021/ja2007627. Epub 2011 Apr 29.

Abstract

Ni-phosphine complexes were used as catalysts for the cycloaddition of various ketenes and diynes. In general, 2,4-cyclohexadienones were formed instead of products arising from decarbonylation of the ketenes.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Catalysis
  • Cyclization
  • Ethylenes / chemistry*
  • Ketones / chemistry*
  • Nickel / chemistry*

Substances

  • Ethylenes
  • Ketones
  • Nickel
  • ketene