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Legal status
Patent not validated
| (51) | INT.CL. | C07D 307/28 | |
| C07D 307/33 | |||
| C07D 493/08 | |||
| C07D 493/18 |
| (11) | Number of the document | 2578576 |
| (13) | Kind of document | T |
| (96) | European patent application number | 12191294.3 |
| Date of filing the European patent application | 2008-10-03 | |
| (97) | Date of publication of the European application | 2013-04-10 |
| (45) | Date of publication and mention of the grant of the patent | 2016-03-23 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 997625 P | 2007-10-03 | US |
| (72) |
Chase, Charles, US
Endo, Atsushi, US
Fang, Francis, G., US
Li, Jing, US
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| (73) |
Eisai R&D Management Co., Ltd.,
6-10, Koishikawa 4-chome, Bunkyo-ku, Tokyo 112-8088,
JP
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| (54) | Intermediates for the synthesis of halichondrin B analogs |
| Intermediates for the synthesis of halichondrin B analogs |