(19) |
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(11) |
EP 1 900 741 A8 |
(12) |
CORRECTED EUROPEAN PATENT APPLICATION |
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Note: Bibliography reflects the latest situation |
(15) |
Correction information: |
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Corrected version no 1 (W1 A1) |
(48) |
Corrigendum issued on: |
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04.08.2010 Bulletin 2010/31 |
(43) |
Date of publication: |
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19.03.2008 Bulletin 2008/12 |
(22) |
Date of filing: 01.10.2001 |
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(51) |
International Patent Classification (IPC):
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(84) |
Designated Contracting States: |
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AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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Designated Extension States: |
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SI |
(30) |
Priority: |
02.10.2000 PH 270100 13.10.2000 WO PCT/SE00/01994
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(62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
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01972866.6 / 1330462 |
(71) |
Applicant: AstraZeneca AB |
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151 85 Södertälje (SE) |
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(72) |
Inventor: |
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- Pavey, John
Loughborough, Leicestershire LE11 5RH (GB)
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Remarks: |
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This application was filed on 29-11-2007 as a divisional application to the application
mentioned under INID code 62. |
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(54) |
New process for the production of oxabispidines |
(57) There is provided a process for the preparation of a compound of formula I, (I),
or a pharmaceutically acceptable derivative thereof, wherein A, B, G, R
1, R
2, R
3, R
4 and R
41 to R
46 have meanings given in the description, which process comprises the dehydrative cyclisaton
of a compound of formula II, (II).