Patent · US Expired

Heteroaryl derivatives of monocyclic beta-lactam antibiotics

US5290929A · kind A · utility

7Cited by
13References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 1992
Grant dateMar 1, 1994
Priority date
Expiry dateSep 8, 2012

Classification

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

Abstract

Antibacterial activity is exhibited by novel compounds having the formula ##STR1## where R.sub.1, R.sub.2, and M are as defined herein and X is --(CH.sub.2).sub.n -- wherein n is 0, 1, 2, 3 or 4 or CR.sub.3 R.sub.4 wherein R.sub.3 and R.sub.4 are the same or different and each is hydrogen, --CH.sub.3 or --C.sub.2 H.sub.5 or R.sub.3 and R.sub.4 taken together with the carbon atom to which they are attached form a 3, 4, 5, 6 or 7-membered cycloalkyl ring.

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