Patent · US Expired

6'-Amino-spirocycloalkane-1,2'-penam!-3'-carboxylic acid derivatives

US4145343A · kind A · utility

3Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1977
Grant dateMar 20, 1979
Priority date
Expiry dateMay 24, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

6'-Amino-spirocycloalkane-1,2'-penam!-3'-carboxylic acid derivatives having the formula ##STR1## WHEREIN N IS A WHOLE NUMBER OF FROM 3 TO 6 AND R.sub.1 and R.sub.2 represent substituents known in the chemistry of penicillins, and their pharmaceutically acceptable, non-toxic salts, have valuable antibacterial properties and are useful as therapeutic agents in the treatment of infectious diseases caused by Gram-positive and Gram-negative bacteria. Processes for preparing these compounds are also described.

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