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Legal status
Patent not validated
| (51) | INT.CL. | C12P 17/10 | (2006.01) |
| C12P 17/10 | (2013.01) | ||
| C07C 231/02 | (2006.01) | ||
| C12Y 304/21062 | (2013.01) | ||
| C12P 41/00 | (2006.01) | ||
| B01D 11/0492 | (2013.01) | ||
| B01D 11/04 | (2006.01) | ||
| C12P 41/005 | (2013.01) | ||
| C07D 207/27 | (2013.01) |
| (11) | Number of the document | 4036244 |
| (13) | Kind of document | T |
| (96) | European patent application number | 21159958.4 |
| Date of filing the European patent application | 2021-03-01 | |
| (97) | Date of publication of the European application | 2022-08-03 |
| (45) | Date of publication and mention of the grant of the patent | 2023-10-11 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 202141004400 | 2021-02-01 | IN |
| (72) |
DIVI, Satchandra Kiran , IN
RAO, Mysore Aswatha Narayana , IN
NOWSHUDDIN, Shaik , IN
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| (73) |
Divi's Laboratories Limited ,
1-72/23(P)/DIVIS/303; Divi Towers
Cyber Hills
Gachibowli, 500 032 Hyderabad, Telangana,
IN
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| (54) | ENZYMATIC PROCESS FOR THE PREPARATION OF (2S)-2-[(4R)-2-OXO-4-PROPYL-PYRROLIDIN-1-YL]BUTYRIC ACID AND ITS CONVERSION INTO BRIVARACETAM |
| ENZYMATIC PROCESS FOR THE PREPARATION OF (2S)-2-[(4R)-2-OXO-4-PROPYL-PYRROLIDIN-1-YL]BUTYRIC ACID AND ITS CONVERSION INTO BRIVARACETAM |