Patent · US Expired

Penam 1,1-dioxides as beta-lactamase inhibitors

US4241050A · kind A · utility

11Cited by
2References
28Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 1, 1978
Grant dateDec 23, 1980
Priority date
Expiry dateSep 1, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

(3S, 5R)-Penam-3-carboxylic acid 1,1-dioxide, optionally having a methyl group at the 2-position, and esters thereof readily hydrolyzable in vivo, are useful for enhancing the effectiveness of several beta-lactam antibiotics against many beta-lactamase producing bacteria.

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