Patent · US Expired

.beta.-Lactam antibacterial agents

US4539149A · kind A · utility

7Cited by
2References
34Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 23, 1982
Grant dateSep 3, 1985
Priority date
Expiry dateJul 23, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D505/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

.beta.-Lactam antibiotics having an .alpha.-formamido substituent on the carbon atom adjacent to the carbonyl group of the .beta.-lactam ring and in particular bicyclic compounds having the partial structure: ##STR1## Intermediates and processes for the preparation of the compounds are further disclosed.

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