(84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
(30) |
Priority: |
11.10.2002 GB 0223719 18.10.2002 GB 0224306
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(43) |
Date of publication of application: |
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23.04.2008 Bulletin 2008/17 |
(62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
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03256420.5 / 1408038 |
(73) |
Proprietor: BIAL - Portela & Ca., S.A. |
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4745-457 S. Mamede do Coronado (PT) |
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(72) |
Inventors: |
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- Learmonth, David Alexander
4445-125 Alfena (PT)
- Soares Da Silva, Patricio Manuel Vieira Araujo
4150-049 Porto (PT)
- Beliaev, Alexander
4485-547 Mindelo Vila do Conde (PT)
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(74) |
Representative: Curtis, Philip Anthony et al |
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A.A. Thornton & Co.
235 High Holborn London
WC1V 7LE London
WC1V 7LE (GB) |
(56) |
References cited: :
WO-A-95/29165
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US-A- 5 438 150
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- ECKARDT WOLF, ISAAC A. KENNEDY, KLAUS HIMMELDIRK, AND IAN D. SPENSER: "5-Hydroxypentane-2,3-dione
and 3-amino-1-hydroxypropan-2-one, putative precursors of vitamin B6" CAN. J. CHEM.,
vol. 75, no. 7, 1997, pages 942-948, XP002471021
- GREENE T W, WUTS PETER G M: "PROTECTIVE GROUPS IN ORGANIC SYNTHESIS" 1991, WILEY &
SONS , NEW YORK , XP002469938 * page 77 - pages 81,414 *
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