Conversion of Magnus Salt into Diamminedichloroplatinum(II)
Isomers in Aqueous Solution

A. K. Starkov and G. A. Kozhukhovskaya

Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russia

Received September 10, 2007

Abstract—The conditions inducing conversion of Magnus salt into diamminedichloroplatinum(II) isomers
were studied. Syntheses of cis- diamminedichloroplatinum(II) and trans-diamminedichloroplatinum(II), which
are used to prepare potassium or ammonium amminetrichloroplatinate(II), are described. The identity and
structure of diamminedichloroplatinum(II) isomers were verified by elemental analysis, X-ray powder diffrac-
tion, and IR and UV spectroscopy. A workflow for preparing potassium or ammonium amminetrichloroplati-
nate(II) from diamminedichloroplatinum(II) isomers was developed. This workflow appreciably increases the
product yield due to the return of unused Magnus salt to the main synthesis flow.

DOI: 10.1134/S0036023608090131

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