|
|
|
|
|
Legal status
Patent not validated
| (51) | INT.CL. | C07D 451/10 |
| (11) | Number of the document | 1426373 |
| (13) | Kind of document | T |
| (96) | European patent application number | 04005241.7 |
| Date of filing the European patent application | 2001-12-12 | |
| (97) | Date of publication of the European application | 2004-06-09 |
| (45) | Date of publication and mention of the grant of the patent | 2006-08-23 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 10064816 | 2000-12-22 | DE |
| (72) |
Banholzer, Rolf, DE
Broeder, Wolfgang, DE
Graulich, Manfred, DE
Luettke, Sven, DE
Mathes, Andreas, DE
Meissner, Helmut, DE
Specht, Peter, DE
|
| (73) |
Boehringer Ingelheim Pharma GmbH & Co.KG,
Binger Strasse 173, 55216 Ingelheim am Rhein,
DE
|
| (54) | Verfahren zur Herstellung einer Vorstufe des Anticholinergikums Tiotropiumbromid |
| Method for producing a precursor of the anticholinergic agent tiotropium bromide |