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Legal status
Patent not validated
| (51) | INT.CL. | C07D 487/04 | |
| C07C 255/00 | |||
| C07C 57/46 |
| (11) | Number of the document | 3524605 |
| (13) | Kind of document | T |
| (96) | European patent application number | 18156454.3 |
| Date of filing the European patent application | 2018-02-13 | |
| (97) | Date of publication of the European application | 2019-08-14 |
| (45) | Date of publication and mention of the grant of the patent | 2019-11-27 |
| (46) | Date of publication of the claims translation |
| (72) |
SHI, Terry, CN
LOU, Sam, CN
DE LUCCHI, Ottorino, IT
PADOVAN, Pierluigi, IT
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| (73) |
F.I.S.- Fabbrica Italiana Sintetici S.p.A.,
Viale Milano, 26, 36075 Montecchio Maggiore (VI),
IT
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| (54) | NEW EFFICIENT PROCESS FOR THE PREPARATION OF SITAGLIPTIN |
| NEW EFFICIENT PROCESS FOR THE PREPARATION OF SITAGLIPTIN |