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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 190, 2015 - Issue 10
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Original Articles

Chelated palladium and platinum complexes of diphosphinite ligands, ch2(o-c6h4opph2)2 and ph2po(ch2)3opph2: characterization and catalytic activity

Sevil IrisliDepartment of Chemistry, Faculty of Science, University of Ege, Bornova Izmir, TurkeyCorrespondence[email protected]
,
Cemal GüzelsoyluDepartment of Chemistry, Faculty of Science, University of Ege, Bornova Izmir, Turkey
,
Merve KaramanDepartment of Chemistry, Faculty of Science, University of Ege, Bornova Izmir, Turkey
&
Orhan BüyükgüngörDepartment of Physics, Faculty of Science and Literature, University of Ondokuz Mayıs, Kurupelit Samsun, Turkey
Pages 1668-1679 | Received 02 Dec 2014, Accepted 24 Jan 2015, Published online: 02 Sep 2015
 
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GRAPHICAL ABSTRACT

Abstract

The novel 10-membered chelated metal complexes have been synthesized by the reaction of known ligand 1, CH2(o-C6H4OPPh2)2, and 2, PPh2O(CH2)3OPPh2, with starting complexes, MCl2COD[M = Pd (1a, 2a), Pt (1b, 2b)]. The characterization of new complexes has been performed by utilizing 31P{1H}-NMR, 13C{1H}-NMR, 1H-NMR, and FT-IR spectroscopic methods and elemental analysis. Also, the structures of complexes 1a and 1b have been determined by X-ray crystallography. Complexes 2a and 2b turned into dimer structures (2a′ and 2b′) during the recrystallization process Complexes 1a and 2a are very effective catalysts in the Suzuki–Miyaura C‒C cross-coupling reactions of aryl bromide with phenylboronic acid.

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