Glycoconjugates of modified camptothecin derivatives (A-or B-ring linkage)

摘要

PCT No. PCT/EP97/05089 Sec. 371 Date Mar. 24, 1999 Sec. 102(e) Date Mar. 24, 1999 PCT Filed Sep. 17, 1997 PCT Pub. No. WO98/14468 PCT Pub. Date Apr. 9, 1998The present invention relates to glycoconjugates of camptothecin derivatives in which at least one carbohydrate component is linked via suitable spacers with the A or B ring of a camptothecin derivative. The invention furthermore relates to processes for preparing the compounds according to the invention and to their use as medicaments, in particular in connection with cancer.