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. 05, 2002
Filed:
Jun. 14, 2001
Michael George Hunter, Oxford, GB;
Raymond Paul Beckett, Oxford, GB;
Martin John Clements, Oxford, GB;
Mark Whittaker, Oxford, GB;
British Biotech, Oxford, GB;
Abstract
Compounds of formula (I) are in the preparation of antibacterial agents, wherein: R represents hydrogen, C -C alkyl or C -C alkyl substituted by one or more halogen atoms; R represents a group R (X) —(ALK)— wherein R represents hydrogen, a C -C alkyl, C -C alkenyl, C -C alkynyl, cycloalkyl, aryl, or heterocyclyl group, any of which may be unsubstituted or substituted by (C -C )alkyl, (C -C )alkoyy, hydroxy, mercapto, (C -C )alkylthio, amino, halo, trifluoromethyl, cyano, nitro, —COOH, —CONH , —COOR , —NHCOR , —CONHR , —NHR , —NR R , or —CONR R wherein R and R are independently a (C -C )alkyl group, and ALK represents a straight or branched divalent C -C alkylene, C -C alkenylene, or C -C alkynylene radical, which may be interrupted by one or more non-adjacent —NH—, —O— or —S— linkages, X represents —NH—, —O— or —S—, and n is 0 or 1, R represents hydrogen or C -C alkyl, R represents the characterising group or a natural or non-natural &agr; amino acid in which any functional groups may be protected; and R represents an ester or thioester group.