NEW HETEROCYCLIC COMPOUNDS AS ANTAGONISTS OF EXCITATORY AMINO ACID RECEPTORS, PROCESSES FOR THEIR PREPARATION AND THEIR USE

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EP 0 557 375 A1

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(43)	Date of publication:
	01.09.1993 Bulletin 1993/35

(21)	Application number: 91920264.0

(22)	Date of filing: 07.11.1991

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International Patent Classification (IPC):

A61K^{( . )}
A61K 31/ 675^{( . )}
A61P 9/ 00^{( . )}
A61P 25/ 20^{( . )}
C07F 9/ 576^{( . )}
C07F 9/ 6509^{( . )}

C07F^{( . )}
A61K 31/ 66^{( . )}
A61P 25/ 04^{( . )}
C07F 9/ 572^{( . )}
C07F 9/ 59^{( . )}

(86)	International application number:
	PCT/SE1991/000753

(87)	International publication number:
	WO 1992/008724 (29.05.1992 Gazette 1992/12)

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

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Priority:

15.11.1990 SE 19900003652

(71)	Applicant: AKTIEBOLAGET ASTRA
	S-151 85 Södertälje (SE)

(72)	Inventors:
	CLAESSON, Alf S-144 00 Rönninge (SE) SWAHN, Britt-Marie S-151 52 Södertälje (SE)

(74)	Representative: Linderoth, Margareta
	AB Astra Patent Department S-151 85 Södertälje S-151 85 Södertälje (SE)

(54)	NEW HETEROCYCLIC COMPOUNDS AS ANTAGONISTS OF EXCITATORY AMINO ACID RECEPTORS, PROCESSES FOR THEIR PREPARATION AND THEIR USE