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Legal status
Patent not validated
| (51) | INT.CL. | C07D 405/06 | |
| C07D 405/12 | |||
| C07D 493/04 |
| (11) | Number of the document | 2528914 |
| (13) | Kind of document | T |
| (96) | European patent application number | 11702900.9 |
| Date of filing the European patent application | 2011-01-26 | |
| (97) | Date of publication of the European application | 2012-12-05 |
| (45) | Date of publication and mention of the grant of the patent | 2014-06-11 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2011/022611 |
| Date | 2011-01-26 |
| (87) | Number | WO 2011/094339 |
| Date | 2011-08-04 |
| (30) | Number | Date | Country code |
| 298337 P | 2010-01-26 | US |
| (72) |
ENDO, Atsushi, US
CHASE, Charles,E., US
FANG, Francis, G., 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) | FURO[3,2-B]PYRANE DERIVATIVES USEFUL IN THE SYNTHESIS OF HALICHONDRIN B ANALOGS |
| FURO[3,2-B]PYRANE DERIVATIVES USEFUL IN THE SYNTHESIS OF HALICHONDRIN B ANALOGS |