Patent · US Expired

Process for preparing alpha-methyl monobasic acid and esters thereof

US4354978A · kind A · utility

2Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1980
Grant dateOct 19, 1982
Priority date
Expiry dateAug 4, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C67/38
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Alkanoic acids containing largely the alpha-methyl isomers thereof, and/or the corresponding esters, are prepared by reacting an alpha-olefin, carbon monoxide and water and/or a monoalkanol in the presence of a catalytically effective amount of a catalyst composition comprising (i) a zero-valent Group VIII metal or metal alloy in which the Group VIII metal is the major component by weight thereof, (ii) an aryl ligand selected from the group consisting of arylarsine, arylstibine and arylbismuthine and (iii) a Lewis acid and/or hydrochloric acid.

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