(19)
(11) EP 1 900 741 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
04.08.2010 Bulletin 2010/31

(43) Date of publication:
19.03.2008 Bulletin 2008/12

(21) Application number: 07121849.9

(22) Date of filing: 01.10.2001
(51) International Patent Classification (IPC): 
C07D 498/08(2006.01)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
SI

(30) Priority: 02.10.2000 PH 270100
13.10.2000 WO PCT/SE00/01994

(62) Application number of the earlier application in accordance with Art. 76 EPC:
01972866.6 / 1330462

(71) Applicant: AstraZeneca AB
151 85 Södertälje (SE)

(72) Inventor:
  • Pavey, John
    Loughborough, Leicestershire LE11 5RH (GB)

 
Remarks:
This application was filed on 29-11-2007 as a divisional application to the application mentioned under INID code 62.
 


(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, R1, R2, R3, R4 and R41 to R46 have meanings given in the description, which process comprises the dehydrative cyclisaton of a compound of formula II, (II).