1878724-A1 is referenced by 12 patents and cites 8 patents.

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 palladium 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 useful for the production of pharmaceuticals, diagnostic agents, liquid crystals, polymers, herbicides, fungicidals, nematicidals, parasiticides, insecticides, acaricitdes and arthropodicides.

Title
A regioselective palladium catalyzed synthesis of benzimidazoles and azabenzimidazoles
Application Number
EP20060014789 20060715
Publication Number
1878724 (A1)
Application Date
July 15, 2006
Publication Date
January 16, 2008
Inventor
Umann Matthias
DE
Rkyek Omar
MA
Halland Nis
DE
Nazare Marc
DE
Lindenschmidt Andreas
DE
Alonso Jorge
DE
Assignee
Sanofi Aventis
FR
IPC
C07D 487/00
C07D 235/00
C07D 487/04
C07D 235/12
C07D 235/08
C07D 235/02
C07D 235/10
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