PROCESS FOR PREPARING AND PURIFYING 1,7'-DIMETHYL-2'-PROPYL-2,5'-BI-1H-BENZIMIDAZOLE

Application 1711/DELNP/2004 published 2007-03-23, filed 2004-06-17
The invention relates to a process which can be used on an industrial scale for preparing and purifying 1,7' -dimethyl-2' -propyl2,5'-bi-1H-benzimidazole.

Applicant

1)BOEHRINGER INGELHEIM PHARMA GMBG & CO. KG.
:BINGER STRASSE 173, D-55216 INGELHEIM, GERMANY Germany

Inventor

1)WERNER BELZER 2)ROLF DACH 3)VOLKER FACHINGER 4)MARKUS HEITZMANN 5)HARTMUT SCHMIDT No of Pages : 12 No of Claims : 13

International Info

Classification: C07D235/18
Publication Number: WO 03/059890 A1
Application Date: 2003-01-15

Priority Information

102 01 725.5 Germany 2002-01-18