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Legal status
Patent not validated
| (51) | INT.CL. | C07D 213/73 | (2006.01) |
| C07D 213/73 | (2013.01) | ||
| C07D 471/04 | (2006.01) | ||
| C07D 471/04 | (2013.01) | ||
| A61K 31/4375 | (2006.01) | ||
| A61P 9/00 | (2018.01) | ||
| A61P 9/00 | (2006.01) |
| (11) | Number of the document | 3935045 |
| (13) | Kind of document | T |
| (96) | European patent application number | 20706521.0 |
| Date of filing the European patent application | 2020-02-28 | |
| (97) | Date of publication of the European application | 2022-01-12 |
| (45) | Date of publication and mention of the grant of the patent | 2025-05-21 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/EP2020/055292 |
| Date | 2020-02-28 |
| (87) | Number | WO 2020/178175 |
| Date | 2020-09-10 |
| (30) | Number | Date | Country code |
| 19160904 | 2019-03-05 | EP |
| (72) |
PLATZEK, Johannes , DE
LOVIS, Kai , DE
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| (73) |
Bayer Aktiengesellschaft ,
Kaiser-Wilhelm-Allee 1, 51373 Leverkusen,
DE
Bayer Pharma Aktiengesellschaft , Müllerstrasse 178, 13353 Berlin, DE |
| (54) | SYNTHESE VON 4-AMINO-5-METHYL-1H-PYRIDIN-2(1H)-ON (ZWISCHENVERBINDUNG DER SYNTHESE DES MR ANTAGONSITEN FINERENONE) AUS 2-CHLORO-5-METHYL-4-NITRO-PYRIDINE-1-OXID ÜBER DIE ZWISCHENVERBINDUNG 2-CHLORO-5-METHYL-4-PYRIDINAMIN |
| SYNTHESIS OF 4-AMINO-5-METHYL-1H-PYRIDIN-2(1H)-ONE (INTERMEDIATE IN THE SYNTHESIS OF THE MR ANTAGONIST FINERENONE) FROM 2-CHLORO-5-METHYL-4-PYRIDINAMINE VIA THE INTERMEDIATE 2-CHLORO-5-METHYL-4-PYRIDINEAMINE |