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:
Nov. 08, 1983
Filed:
Jan. 21, 1981
Lajos Tarcsay, Grenzach-Wyhlen, DE;
Gerhard Baschang, Bettingen, CH;
Albert Hartmann, Grenzach, DE;
Jaroslav Stanek, Birsfelden, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
The invention relates to pharmaceutical preparations that contain an antibiotic and a muramylpeptide of the formula I or a salt thereof, to processes for their manufacture and to a method for increasing the antibiotic effectiveness of antibiotics. ##STR1## In the formula I, X represents carbonyl or carbonyloxy, R.sub.1 represents optionally substituted alkyl or aryl, R.sub.2, R.sub.3, R.sub.4 and R.sub.6 represent hydrogen or lower alkyl, R.sub.5 represents hydrogen, optionally substituted lower alkyl, cycloalkyl, aryl or nitrogen-containing heterocyclyl, or R.sub.4 and R.sub.5 together represent also C.sub.3 -C.sub.4 alkylene, R.sub.7 represents hydrogen or free, esterified or amidated carboxyl, one of the radicals A.sub.1 and A.sub.2 represents a radical of the formula II and the other of the radicals A.sub.1 and A.sub.2 represents optionally substituted or functionally modified hydroxy or amino. ##STR2## In the formula II, T represents NH or O, Y represents an optionally substituted alkylene group that can also be interrupted by oxycarbonyl or iminocarbonyl, W represents hydrogen and Z represents an optionally esterified or etherified 1,2-dihydroxyethyl or 2-hydroxyethyl group, or W and Z represent an optionally esterified or etherified hydroxymethyl group.