Patent · US Expired

Optically active 2-alkyl-2,5-diazabicyclo[2.2.1]heptanes

US5157125A · kind A · utility

1Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 1991
Grant dateOct 20, 1992
Priority date—
Expiry dateNov 26, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D207/48
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

1S, 4S and 1R,4R-2-Alkyl-2,5-diazabicyclo[2.2.1]-heptanes useful as intermediates in the synthesis of certain antibacterial quinolones, are prepared respectively, from trans-4-hydroxy-L-proline and trans-4-hydroxy-D-proline via multistep procedures.

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