| abstract |
There are prepared antitumor active (1,2-diphenyl-ethylenediamine)-platinum (II) complex compounds of the formula ##STR1## where the groups R 1 , R 2 , R 3 and R 4 are the same or different and are hydrogen, hydroxy groups, C 1 -C 6 -alkoxy groups, C 2 -C 6 -alkanoyloxy groups which optionally are substituted by halogen atoms or C 1 -C 4 -alkanesulfonyloxy groups or C 3 -C 6 -alkenoyloxy groups and at least one of R 1 , R 2 , R 3 and R 4 is not hydrogen and X is the equivalent of a physiologically compatible or pharmaceutically acceptable anion. |