Patent · US Expired

Process for producing carbamic acid esters

US5101062A · kind A · utility

1Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 1989
Grant dateMar 31, 1992
Priority date
Expiry dateSep 12, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C269/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for producing carbamic acid esters (N-phenyl carbamate) which comprises reacting an amino group-containing compound (aniline), oxygen, a nitro group-containing compound (nitrobenzene), a carbon monoxide-containing gas and a hydroxyl group-containing organic compound (ethyl alcohol) in the presence of a compound of a transition metal belonging to Pt group of VIII group (Pd) of the Periodic Table as catalyst, a non-metal halide (HCl) and water. ##STR1##

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