Organodiphosphines in cis-Pt(η2-PX n P)(Cl)2 (n = 1,2,3) derivatives: Structural aspects

Author:

Melník Milan12,Mikuš Peter13

Affiliation:

1. Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University Bratislava , Odbojárov 10 , SK-832 32 Bratislava , Slovak Republic

2. Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava , Radlinského 9 , SK-812 37 Bratislava , Slovak Republic

3. Faculty of Pharmacy, Comenius University Bratislava, Toxicological and Antidoping Centre , Odbojárov 10 , SK-832 32 Bratislava , Slovak Republic

Abstract

Abstract This article covers almost 130 Pt(ii) complexes with an inner coordination sphere of cis-PtP2Cl2. The P-donor ligands are organodiphosphines that create four-, five-, and six-membered metallocyclic rings. There are two types of four-membered rings: PCP and PNCP, and four types of five-membered rings: PC–CP, PC═CP, PNNP, and PCOP. There are wide varieties of the six-membered metallocyclic rings: PC3P (most common), PCNCP, PCSCP, PCSiCP, PNCNP, PCCOP, PCCNP, POPNP, POSiOP, P(CNC)2P, and P(CNC)(CCC)P. The P–Pt–P bite angles open with the size of the metallocyclic rings in the order (total mean values 72.4° [PXP] < 86.4° [PXXP] < 94.0° [PXXNP]). There are complexes that are examples of distortion and ligand isomerism. The structural data are analyzed and discussed.

Publisher

Walter de Gruyter GmbH

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