Patent · US Expired

Preparation of acylaromatic compounds

US5347047A · kind A · utility

4Cited by
9References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1993
Grant dateSep 13, 1994
Priority date
Expiry dateDec 1, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C49/84
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Acylaromatic compounds are prepared from aromatic compounds and carboxylic acids by reacting the starting compounds with phosgene in the presence of an aliphatic phosphine oxide or of an N,N-dialkylformamide and of an Fe(II), Fe(III) or Zn(II) compound.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.