| (19) |
 |
|
(11) |
EP 1 477 476 A8 |
| (12) |
CORRECTED EUROPEAN PATENT APPLICATION |
| (48) |
Corrigendum issued on: |
|
22.06.2005 Bulletin 2005/25 |
| (43) |
Date of publication: |
|
17.11.2004 Bulletin 2004/47 |
| (22) |
Date of filing: 16.05.2003 |
|
|
| (84) |
Designated Contracting States: |
|
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 |
|
Designated Extension States: |
|
AL LT LV MK |
| (71) |
Applicant: Organisation de Synthese Mondiale Orsymonde |
|
94700 Maisons Alfort (FR) |
|
| (72) |
Inventor: |
|
- Rose, Sébastien
60190 Arsy (FR)
|
| (74) |
Representative: Bernasconi, Jean Raymond et al |
|
c/o Cabinet Lavoix, 2, Place d'Estienne d'Orves
75441 Paris Cedex 09
75441 Paris Cedex 09 (FR) |
|
| |
|
| (54) |
Modafinil synthesis process |
(57) The invention relates to a process for preparing modafinil having a defined granulometry
which comprises the steps of:
- a) preparing a solution of DMSAM ;
- b) contacting the solution obtained with NH3 at a predetermined temperature and a
predetermined stirring; and
- c) isolating the modafinil formed,
wherein said temperature and said stirring are predetermined in order to obtain said
defined granulometry.