Reaction products of a new anti- cancer agent, Pt(IV)(cyclohexyldiamine)Cl4, with guanosine and 9-methylguanine: First crystal structures of Pt(cyclohexyldiamine) complexes with a nucleobase and a nucleoside
Biochemical and Biophysical Research Communications(1988)
Abstract
Pt(IV)(dach)Cl 4 (dach=cyclohexyldiamine) was reacted with guanosine and 9-methylguanine and their reaction products were analyzed by single-crystal x-ray diffraction. In both cases the resulting complexes, [Pt(dach)(guanosine) 2 ] 2+ and [Pt(dach)(9-methylguanine) 2 ] 2+ respectively, corresponded to an unanticipated reduction of the octahedral Pt(IV) starting material to a square planar Pt(II) species. The nature of the reducing agent is presently unknown.
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Key words
crystal structure
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