| Abstract
| - The propensity of trans-1,2-cycloalkanediamines (C3−C6) to form rigid dinuclear complexes with platinum(II) was tested by reacting these ligands with K[PtCl3(dmso)]. Whereas trans-1,2-cyclopropanediamine and trans-1,2-cyclobutanediamine yielded dinuclear complexes in which the cycloalkane skeleton confines the platinum centers to a distance of ca. 6 Å, trans-1,2-cyclopentanediamine and trans-1,2-cyclohexanediamine formed the chelates [PtCl(cycloalkanediamine)(dmso)]+, which precipitated with [PtCl3(dmso)]- as counterion.
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