Antimicrobial lactam-quinolones
US5656623A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1991 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Apr 26, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D513/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Antimicrobial lactam-quinolone compounds comprising a lactam-containing moiety linked to a quinolone moiety, of the formula: ##STR1## wherein (1) A.sup.1, A.sup.2, A.sup.3, R.sup.1, R.sup.4 and R.sup.6 generally form any of a variety of quinolone, naphthyridine or related cyclic moieties known in the art to have antimicrobial activity; and PA1 (2) R.sup.1 or R.sup.3 contain a linking moiety, linking the quinolone moiety to a lactam-containing moiety having the formula: ##STR2## wherein (3) R.sup.10, R.sup.11, R.sup.12, R.sup.13, and R.sup.14, together with bonds "a" and "b", form any of a variety of lactam-containing moieties known in the art to have antimicrobial activity; and PA1 (4) the linking moiety includes (for example) carbamate, dithiocarbamate, urea, thiourea, isouronium, isothiouronium, guanidine, carbonate, trithiocarbonate, reversed carbamate, xanthate, reversed isouronium, reversed dithiocarbamate, reversed isothiouronium, amine, imine, ammonium, heteroarylium, ether, thioether, phosphono, phosphoramide, phosphate, sulfonamide, ester, thioester, amide, and hydrazide groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.