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:
May. 27, 2014
Filed:
Dec. 22, 2009
Jorge Alonso, Mannheim, DE;
Andreas Lindenschmidt, Frankfurt am Main, DE;
Marc Nazaré, Frankfurt am Main, DE;
Matthias Urmann, Frankfurt am Main, DE;
Nis Halland, Frankfurt am Main, DE;
Omar Rkyek, Kassel, DE;
Jorge Alonso, Mannheim, DE;
Andreas Lindenschmidt, Frankfurt am Main, DE;
Marc Nazaré, Frankfurt am Main, DE;
Matthias Urmann, Frankfurt am Main, DE;
Nis Halland, Frankfurt am Main, DE;
Omar Rkyek, Kassel, DE;
Sanofi, Paris, FR;
Abstract
The present invention relates to a process for the regioselective synthesis of compounds of the formula I, wherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings indicated in the claims. The present invention provides a direct copper catalyzed regioselective process to a wide variety of unsymmetrical, multifunctional N-substituted benzimidazoles or azabenzimidazoles of formula I starting from 2-halo-nitroarenes and N-substituted amides.