Patent · US Expired

Synthesis of 9-carbamoyl-9-(3-aminopropyl)fluorenes

US4552982A · kind A · utility

4Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 1983
Grant dateNov 12, 1985
Priority date—
Expiry dateAug 1, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/18
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

9-Carbamoyl-9-(2-cyanoethyl)fluorenes are converted to 9-carbamoyl-9-(3-aminopropyl)fluorenes by catalytic hydrogenation in the presence of a strong acid.

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