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. 04, 2006
Filed:
Oct. 02, 2003
Andreas Meudt, Flörsheim-Weilbach, DE;
Michael Erbes, Frankfurt, DE;
Klaus Forstinger, Babenhausen, DE;
Andreas Meudt, Flörsheim-Weilbach, DE;
Michael Erbes, Frankfurt, DE;
Klaus Forstinger, Babenhausen, DE;
Clariant GmbH, Frankfurt, DE;
Abstract
A process for preparing compounds of the formula (II),where the substituents Rto Rare each independently H, CH, straight-chain or branched C–C-alkyl, CH(OC–C-alkyl), CH(C–C-alkyl)(OC–C-alkyl), CH(OC–C-alkyl), CH(CH)(OC–C-alkyl), C–C-alkoxy, N(C–C-alkyl), phenyl, substituted phenyl, aryl, heteroaryl, S(C–C-alkyl) or a radical C, andthe symbols Xare each carbon or a maximum of two neighboring Xare nitrogen or XRand XRtogether are O, NH, N(C–C-alkyl), N(C═O—C–C-alkyl), N(SiR)or S,or where neighboring radicals Rto Rform the following structural unit,where Xto Xand Rto Rhave the same meaning as Xto Xand Rto Rwhich comprises reacting chloro- or fluoroaromatics of the formula (I) with carbon electrophiles and lithium metal.