Patent · US Expired

Iminothiazolyl ureido cephalosporins

US4461767A · kind A · utility

4Cited by

5References

22Claims

0Family size

Assignee

E.R. SQUIBB & SONS. INC. · US

Inventors

Hermann Breuer
Uwe D. Treuner · Etterzhausen, DE
Theodor Denzel

Key dates

Filing date	Jun 6, 1979
Grant date	Jul 24, 1984
Priority date	—
Expiry date	Jun 6, 1999

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D277/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Cephalosporins of the formula ##STR1## wherein R is hydrogen, sodium, potassium or certain ester groups; R.sub.1 is in the .alpha.-configuration and is hydrogen or methoxy; R.sub.2 is hydrogen, ##STR2## R.sub.4 is hydrogen or lower alkyl; R.sub.5 is hydrogen, lower alkyl, ##STR3## or --(CH.sub.2).sub.n --N--(lower alkyl).sub.2 ; R.sub.6 is hydrogen, sodium, or potassium; n is an integer from 1 to 4; are disclosed. These compounds are useful as anti-bacterial agents.

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