The reactivity of the cyclic primary aliphatic amines cyclopropyl-, cyclopentyl- and cyclohexylamine with cis- and trans-[PtCl2(NCMe)2], under the same experimental conditions, is compared. Whereas cis-[PtCl2(NCMe)2] yields the neutral diamidine compounds, the reactions with trans-[PtCl2(NCMe)2] take place either with addition or substitution processes yielding the neutral diamidine complexes trans-[PtCl2(Amidine)2], the monocationic trans-[PtCl(Amine)(Amidine)2]Cl and the dicationic trans-[Pt(Amine)2(Amidine)2]Cl2 salts. An NMR and ESI study indicate that the main species formed is the monocationic trans-[PtCl(Amine)(Amidine)2]Cl complex. The X-ray structure of Image is reported and its supramolecular arrangement is described.
Reactivity of trans-[PtCl2(NCMe)2] with cycloaliphatic amines: An ESI and NMR study. X-ray structure of Image
MICHELIN, RINO;MOZZON, MIRTO;BERTANI, ROBERTA;
2010
Abstract
The reactivity of the cyclic primary aliphatic amines cyclopropyl-, cyclopentyl- and cyclohexylamine with cis- and trans-[PtCl2(NCMe)2], under the same experimental conditions, is compared. Whereas cis-[PtCl2(NCMe)2] yields the neutral diamidine compounds, the reactions with trans-[PtCl2(NCMe)2] take place either with addition or substitution processes yielding the neutral diamidine complexes trans-[PtCl2(Amidine)2], the monocationic trans-[PtCl(Amine)(Amidine)2]Cl and the dicationic trans-[Pt(Amine)2(Amidine)2]Cl2 salts. An NMR and ESI study indicate that the main species formed is the monocationic trans-[PtCl(Amine)(Amidine)2]Cl complex. The X-ray structure of Image is reported and its supramolecular arrangement is described.
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