(19)
(11)
EP 0 594 656 A1
(12)
(43)
Date of publication:
04.05.1994
Bulletin 1994/18
(21)
Application number:
92913821.0
(22)
Date of filing:
30.06.1992
(51)
International Patent Classification (IPC):
A61K
31/
195
( . )
A61K
31/
403
( . )
A61K
31/
44
( . )
A61K
31/
4406
( . )
A61K
31/
4418
( . )
A61K
31/
47
( . )
A61P
43/
00
( . )
C07C
271/
22
( . )
C07C
323/
59
( . )
C07C
327/
20
( . )
C07D
209/
14
( . )
C07D
209/
20
( . )
C07D
213/
38
( . )
C07D
213/
56
( . )
C07D
215/
48
( . )
C07D
235/
12
( . )
C07D
401/
12
( . )
A61K
38/
00
( . )
A61K
31/
40
( . )
A61K
31/
404
( . )
A61K
31/
4402
( . )
A61K
31/
4409
( . )
A61K
31/
4427
( . )
A61P
31/
12
( . )
C07C
237/
22
( . )
C07C
317/
26
( . )
C07C
323/
60
( . )
C07C
327/
38
( . )
C07D
209/
16
( . )
C07D
213/
30
( . )
C07D
213/
40
( . )
C07D
215/
36
( . )
C07D
233/
54
( . )
C07D
235/
14
( . )
C07K
5/
02
( . )
(86)
International application number:
PCT/EP1992/001471
(87)
International publication number:
WO 1993/001166
(
21.01.1993
Gazette 1993/03)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
(30)
Priority:
02.07.1991
GB 19910014261
07.11.1991
GB 19910023721
24.02.1992
GB 19920003884
(71)
Applicants:
SANDOZ LTD.
CH-4002 Basel (CH)
SANDOZ-PATENT-GMBH
D-79539 Lörrach (DE)
(72)
Inventors:
BILLICH, Andreas
A-1130 Vienna (AT)
CHARPIOT, Brigitte
A-1230 Vienna (AT)
LEHR, Philip
A-2340 Mödling (AT)
SCHOLZ, Dieter
A-1040 Vienna (AT)
Gstach, Hubert
A-1070 Wien (AT)
(54)
4-AMINO-3-HYDROXYCARBOXYLIC ACID DERIVATIVES