Copper-Catalyzed Propargylation of Nitroalkanes

Org Lett. 2020 Oct 16;22(20):8106-8110. doi: 10.1021/acs.orglett.0c03061. Epub 2020 Oct 2.

Abstract

Using a commercially available, inexpensive, and abundant copper catalyst system, an efficient α-functionalization of nitroalkanes with propargyl bromides is now established. This mild and robust method is highly functional group tolerant and provides straightforward access to complex secondary and tertiary homopropargylic nitroalkanes. Moreover, the utility of these α-propargylated nitroalkanes is demonstrated through downstream functionalization to biologically relevant, five-membered N-heterocycles such as pyrroles and 2-pyrrolines.

Publication types

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

MeSH terms

  • Catalysis
  • Copper / chemistry*
  • Molecular Structure
  • Nitro Compounds / chemistry*
  • Pyrroles / chemistry*

Substances

  • Nitro Compounds
  • Pyrroles
  • Copper