Platinum complexes

摘要

A diamine platinum (II) complex represented by the general formula <IMAGE> [wherein R1 and R2 are each a lower alkyl group; and two X's are each a halogen atom or jointly form a group represented by <IMAGE> (wherein R3 and R4 are each a hydrogen atom or a lower alkyl group) or a group represented by <IMAGE> (wherein m is 1 or 2)].