The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1976
Filed:
Nov. 19, 1974
James W McFarland, Lyme, CT (US);
Pfizer Inc., New York, NY (US);
Abstract
Compounds of the formula ##SPC1## Wherein X is a 6- or 7-position substituent selected from the group consisting of formyl, acetyl, hydroxymethyl, 1-hydroxyethyl and ##EQU1## wherein Y is selected from the group consisting of hydrogen and methyl; R.sub.1 is hydrogen or methyl; R.sub.2, when taken separately, is hydrogen or alkyl having 1 to 4 carbon atoms; R.sub.3, when taken separately, is hydrogen, alkyl having 1 to 4 carbon atoms, --(CH.sub.2).sub.n OH, --(CH.sub.2).sub.n OCH.sub.3, --(CH.sub.2).sub.n NH.sub.2, ##EQU2## or ##EQU3## wherein n is 2 or 3 and R.sub.2 and R.sub.3, when taken together with the nitrogen atom to which they are attached, form a member selected from the group consisting of pyrrolo, pyrrolidino, piperidino, morpholino, thiomorpholino, piperazino, N-(lower alkyl)piperazino, N-hydroxy(lower alkyl)piperazino, N-(lower alkanoyl)piperazino and N-carbo(lower alkoxy)piperazino and the pharmaceutically acceptable acid addition salts of those compounds wherein R.sub.2 has an .omega.-aminoalkyl moiety; methods for their preparation; and their use as antibacterial agents and as agents for promoting growth and improving feed efficiency of animals.