THE PREPARATION OF ENANTIOMERICALLY-ENRICHED THREO-METHYLPHENIDATE - Patent 0948484

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EP 0 948 484 A1

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(43)	Date of publication:
	13.10.1999 Bulletin 1999/41

(21)	Application number: 97949034.0

(22)	Date of filing: 11.12.1997

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International Patent Classification (IPC):

C12P 41/ 00^{( . )}

C07D 211/ 34^{( . )}

(86)	International application number:
	PCT/GB1997/003418

(87)	International publication number:
	WO 1998/025902 (18.06.1998 Gazette 1998/24)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

13.12.1996 GB 19960025972
12.06.1997 GB 19970012298

(71)	Applicant: MEDEVA EUROPE LIMITED
	London SW1A 1EF (GB)

(72)	Inventors:
	FAULCONBRIDGE, Susan, Chiroscience Limited Milton Road Cambridge CB4 4WE (GB) ZAVAREH, Hooshang, Shahriari, Chiroscience Limited Milton Road Cambridge CB4 4WE (GB) EVANS, Graham, Robert, Chiroscience Limited Milton Road Cambridge CB4 4WE (GB) LANGSTON, Marianne, Chiroscience Limited Milton Road Cambridge CB4 4WE (GB)

(74)	Representative: Perry, Robert Edward, et al
	GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)

(54)	THE PREPARATION OF ENANTIOMERICALLY-ENRICHED THREO-METHYLPHENIDATE