Patent · US Expired

Preparation of pyrrole-2-acetic acid derivatives

US3957818A · kind A · utility

6Cited by
1References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 7, 1974
Grant dateMay 18, 1976
Priority date
Expiry dateNov 7, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D207/24
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Catalytic dehydrogenation of .DELTA.-2,.alpha.-pyrrolidenemalonates and .DELTA.-2,.alpha.-pyrrolidenemalononitriles yields pyrrole-2-acetates and pyrrole-2-acetonitriles, respectively. Subsequent hydrolysis of the latter affords pyrrole-2-acetic acids.

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