(19)

(11)

EP 0 693 058 A1

(12)

(43) Date of publication: 24.01.1996 Bulletin 1996/04 (21) Application number: 94912037.0 (22) Date of filing: 08.04.1994

(51) International Patent Classification (IPC):  C07B 53/ 00( . ) C07D 207/ 263( . ) C07D 207/ 27( . ) C08F 8/ 30( . ) C07D 207/ 26( . ) C07D 207/ 267( . ) C07F 7/ 18( . ) (86) International application number: PCT/GB1994/000752 (87) International publication number: WO 1994/024104 (27.10.1994 Gazette 1994/24)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI NL SE (30) Priority: 08.04.1993 GB 19930007431 (71) Applicant: OXFORD ASYMMETRY LIMITED Abingdon, Oxon OX14 4 RX (GB)	(72) Inventors: DAVIES, Stephen, Graham Oxford OX2 8HR (GB) POLYWKA, Mario, Eugenio, Cosamino Didcot, Oxon OX11 9PX (GB) (74) Representative: Marsden, John Christopher  Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)