4-ACETOXY-PIPERIDINE DERIVATIVES, PROCESS FOR THEIR PREPARATION AND USE AS A MUSCARINIC M3-RECEPTOR ANTAGONIST - Patent 0506903

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EP 0 506 903 A1

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(43)	Date of publication:
	07.10.1992 Bulletin 1992/41

(21)	Application number: 91917741.0

(22)	Date of filing: 17.10.1991

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International Patent Classification (IPC):

A61K 31/ 445^{( . )}
A61P 1/ 00^{( . )}
A61P 13/ 02^{( . )}
A61P 25/ 02^{( . )}
C07D 401/ 06^{( . )}

A61K 31/ 4433^{( . )}
A61P 11/ 08^{( . )}
A61P 15/ 00^{( . )}
C07D 211/ 46^{( . )}
C07D 409/ 06^{( . )}

(86)	International application number:
	PCT/GB1991/001810

(87)	International publication number:
	WO 1992/006958 (30.04.1992 Gazette 1992/10)

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

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Priority:

23.10.1990 GB 19900023023

(71)	Applicant: BRITISH TECHNOLOGY GROUP LIMITED
	London SE1 6BU (GB)

(72)	Inventors:
	BARLOW, Richard, Bawden Ash Lea Cottage Kirky Stephen Cumbria CA17 4NG (GB) VEALE, Mark, Anthony 4 Balmoral Close Bristol BS12 6NL (GB)

(74)	Representative: Stephenson, Gerald Frederick
	Patents Department British Technology Group Ltd 101 Newington Causeway London SE1 6BU London SE1 6BU (GB)

(54)	4-ACETOXY-PIPERIDINE DERIVATIVES, PROCESS FOR THEIR PREPARATION AND USE AS A MUSCARINIC M3-RECEPTOR ANTAGONIST