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Legal status
Patent not validated
| (51) | INT.CL. | C07D 221/20 |
| (11) | Number of the document | 2681199 |
| (13) | Kind of document | T |
| (96) | European patent application number | 12755750.2 |
| Date of filing the European patent application | 2012-02-17 | |
| (97) | Date of publication of the European application | 2014-01-08 |
| (45) | Date of publication and mention of the grant of the patent | 2018-09-26 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2012/025628 |
| Date | 2012-02-17 |
| (87) | Number | WO 2012/121863 |
| Date | 2012-09-13 |
| (30) | Number | Date | Country code |
| 201161449198 P | 2011-03-04 | US |
| (72) |
HERZON, Seth, US
TUN, Maung Kway, Moe, US
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| (73) |
Yale University,
2 Whitney Avenue, New Haven, CT 06511,
US
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| (54) | PROCESS FOR THE PREPARATION OF (-)-HUPERZINE A |
| PROCESS FOR THE PREPARATION OF (-)-HUPERZINE A |