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Legal status
Patent not validated
| (51) | INT.CL. | C07D 277/22 | |
| C07D 249/08 | |||
| C07D 417/08 |
| (11) | Number of the document | 1345915 |
| (13) | Kind of document | T |
| (96) | European patent application number | 01981688.3 |
| Date of filing the European patent application | 2001-10-18 | |
| (97) | Date of publication of the European application | 2003-09-24 |
| (45) | Date of publication and mention of the grant of the patent | 2007-01-31 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2001/032382 |
| Date | 2001-10-18 |
| (87) | Number | WO 2002/042283 |
| Date | 2002-05-30 |
| (30) | Number | Date | Country code |
| 252001 P | 2000-11-20 | US |
| (72) |
CHEN, Chung-Pin, US
CONNOLLY, Timothy Paul, US
KOLLA, Laxma, Reddy, US
MATISKELLA, John, D., US
MUELLER, Richard, H., US
PENDRI, Yadagiri, US
PETSCH, Dejah, T., 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) | IMPROVED PROCESS FOR THE PREPARATION OF WATER-SOLUBLE O-PHOSPHONOOXYMETHYL PRODRUGS |
| IMPROVED PROCESS FOR THE PREPARATION OF WATER-SOLUBLE O-PHOSPHONOOXYMETHYL PRODRUGS |