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:
Jul. 09, 1996
Filed:
Jan. 23, 1995
Karlheinz Drauz, Freigericht, DE;
Jurgen Martens, Oldenburg, DE;
Degussa Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
Halogen thiophene carboxylic acid derivatives of the General Formula ##STR1## in which Hal signifies chlorine or bromine, n the number 2 or 3, * signifies either an enantiomer or a racemate in the case of different R.sup.2 and R.sup.3 groups, R.sup.1 stands for hydrogen or an alkyl group, R.sup.2 stands for hydrogen, an alkyl group which can optionally be substituted by hydroxy-, carboxy-, alkoxy- or alkoxycarbonyl, mercapto- or alkylmercapto- or benzylmercapto, for an aryl group or aralkyl group, wherein the ring system can optionally be substituted with fluorine, chlorine or bromine atoms, for a cycloalkyl group or a cycloalkyl-methyl group, R.sup.3 stands for hydrogen, an alkyl group, an alkenyl or alkynyl group or, optionally, R.sup.1 and R.sup.3 or R.sup.2 and R.sup.3 together can form an alkylene bridge in which one CH.sup.2 unit can optionally be substituted by NR.sup.1, O or S, Y signifies OH, OR.sup.4 or NR.sup.5 R.sup.6, in which R.sup.4 stands for an alkyl group whose H atoms are optionally replaced entirely or partially by halogen atoms, R.sup.5 signifies hydrogen, an alkyl group, hydroxy- or an alkoxy group, R.sup.6 signifies hydrogen, an alkyl group, a phenyl group or a cycloalkyl group or, optionally, R.sup.5 and R.sup.6 can form a ring with inclusion of the nitrogen atom and, optionally, of a further heteroatom. In addition, a method of their production is described. Compounds of General Formula I can be used in the form of plant protection products with suitable carrier materials.