Crafting Versatile Modes of Pt(II) Complexes with Flexidentate Pyridyl‐β‐diketones: Synthesis, Structural Characterization, and Catalytic Behavior in Olefin Hydrosilylation

Author:

Kurpik Gracjan12,Walczak Anna12,Łukasik Igor12,Matela Zuzanna12,Stefankiewicz Artur R.12ORCID

Affiliation:

1. Center for Advanced Technology Adam Mickiewicz University Uniwersytetu Poznańskiego 10 61-614 Poznań Poland

2. Faculty of Chemistry Adam Mickiewicz University in Poznań Uniwersytetu Poznańskiego 8 61-614 Poznań Poland

Abstract

AbstractCycloplatinated complexes, with their high reactivity, combined with the capability to tailor ligands for specific catalytic processes, play a pivotal role in materials science and coordination chemistry, serving as versatile catalysts for applications in the organic synthesis of industrially relevant processes. In this report, we describe the synthesis and characterization of a new family of Pt(II) complexes based on three isomeric pyridyl‐β‐diketones diversified in terms of N‐atom location in the heterocyclic ring. By appropriate control of the reaction conditions, we were able to generate distinct coordination species, featuring ligands arranged as N,C(sp3)‐ and N,O‐chelates, as well as simple pyridyl‐N donors. Various analytical techniques, including X‐Ray diffraction, NMR spectroscopy and ESI‐MS spectrometry enabled the characterization of different coordination modes of the central atoms and unambiguously established the complex structures. Furthermore, all the Pt(II) coordination units have been found to be highly active and selective catalyst precursors in the hydrosilylation reactions within a broad scope of olefins with hydrosilanes.

Funder

Fundacja Uniwersytetu im. Adama Mickiewicza

Publisher

Wiley

Subject

Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Catalysis

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