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:
Feb. 13, 1990
Filed:
Jun. 01, 1988
Hermann Koehler, Beindersheim, DE;
Toni Dockner, Meckenheim, DE;
BASF Aktiengsellschaft, Ludwigshafen, DE;
Abstract
4-Nitro-5-imidazolyl ethers and thioethers of the formula I ##STR1## where R.sup.1 is alkyl, alkoxyalkyl, cycloalkyl, aryl, aralkyl or alkylaryl, R.sup.2 is hydrogen, alkyl, cycloalkyl, aryl, aralkyl or alkylaryl, R.sup.3 is alkyl, cycloalkyl, aryl, aralkyl, alkylaryl or a heterocyclic or heteroaromatic radical or a counter-ion of the corresponding alcoholate or thiolate or, where X is sulfur, R.sup.3 is hydrogen, and X is oxygen or sulfur, and the stated organic radicals may furthermore carry substituents which are inert under the reaction conditions, are prepared by reacting a dinitroimidazole of the formula II ##STR2## with an alcohol or thiol of the formula III