(19)
(11) EP 0 763 042 A1

(12)

(43) Date of publication:
19.03.1997 Bulletin 1997/12

(21) Application number: 95920068.0

(22) Date of filing: 19.05.1995
(51) International Patent Classification (IPC): 
A61K 31/ 55( . )
C07D 498/ 22( . )
C07H 19/ 044( . )
 A61P 35/ 00( . )
C07H 9/ 06( . )
(86) International application number:
PCT/EP1995/001911
(87) International publication number:
WO 1995/032976 (07.12.1995 Gazette 1995/52)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 01.06.1994 CH 19940001715

(71) Applicant: CIBA-GEIGY AG
4002 Basel (CH)

(72) Inventors:
  • REGENASS, Urs
    CH-4107 Ettingen (CH)
  • CARAVATTI, Giorgio
    CH-4123 Allschwil (CH)
  • WACKER, Oskar
    CH-4059 Basle (CH)

   


(54) POLYCYCLIC LACTAM DERIVATIVES FOR SENSITIZING MULTIDRUG-RESISTANT CELLS TO ANTITUMOUR AGENTS