Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands

Subhi A. Al-Jibori; Hayfa M Gergees; Mousa S. Al-Rubaye; Sucharita Basak-Modi; Shishir Ghosh; Harry Schmidt; Mariano Laguna; M. Asunción Luquin Martínez; Graeme Hogarth

doi:10.1016/j.ica.2016.04.046

Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands

Subhi A. Al-Jibori, Hayfa M Gergees, Mousa S. Al-Rubaye, Sucharita Basak-Modi, Shishir Ghosh, Harry Schmidt, Mariano Laguna, M. Asunción Luquin Martínez, Graeme Hogarth

Chemistry

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Abstract

A number of cyclometalated palladium(II) complexes [PdCl(pyC6H4)(L)] containing amino-pyridine or acetylamino-pyridine co-ligands (L) have been prepared from the reaction of [Pd(pyC6H4)(μ-Cl)]2 with two equivalents of these ligands. Crystal structures of four examples have been carried out, each showing a distorted square planer geometry around palladium with the amino- or acetylamino-pyridine ligand being coordinated via nitrogen atom and lying almost perpendicular to the square-plane. Similarly, [PdCl(pyC6H4)(κ1-dppmO)] and [PdCl(pyC6H4)(κ1-dppeO)] result from reactions of [Pd(C6H4py)(μ-Cl)]2 with Ph2PCH2P(O)PPh2 (dppmO) and Ph2PCH2CH2P(O)PPh2 (dppeO) respectively. Here the phosphine ligand is attached via only phosphorus, however, removal of the chloride upon addition of AgNO3 lead to the formation of [Pd(pyC6H4)(κ2-dppmO)][NO3] and [Pd(pyC6H4)(κ2-dppeO)][NO3] in which the ligands are believed to bind in a chelate fashion.

Original language	English
Journal	INORGANICA CHIMICA ACTA
Early online date	9 May 2016
DOIs	https://doi.org/10.1016/j.ica.2016.04.046
Publication status	E-pub ahead of print - 9 May 2016

Keywords

Palladium
Cyclometalated
Crystal structure
2-phenylpyridine
Synthesis

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10.1016/j.ica.2016.04.046

Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands
© 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Accepted author manuscript, 532 KBLicence: CC BY-NC-ND

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Al-Jibori, S. A., Gergees, H. M., Al-Rubaye, M. S., Basak-Modi, S., Ghosh, S., Schmidt, H., Laguna, M., Asunción Luquin Martínez, M., & Hogarth, G. (2016). Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands. INORGANICA CHIMICA ACTA. Advance online publication. https://doi.org/10.1016/j.ica.2016.04.046

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title = "Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands",

abstract = "A number of cyclometalated palladium(II) complexes [PdCl(pyC6H4)(L)] containing amino-pyridine or acetylamino-pyridine co-ligands (L) have been prepared from the reaction of [Pd(pyC6H4)(μ-Cl)]2 with two equivalents of these ligands. Crystal structures of four examples have been carried out, each showing a distorted square planer geometry around palladium with the amino- or acetylamino-pyridine ligand being coordinated via nitrogen atom and lying almost perpendicular to the square-plane. Similarly, [PdCl(pyC6H4)(κ1-dppmO)] and [PdCl(pyC6H4)(κ1-dppeO)] result from reactions of [Pd(C6H4py)(μ-Cl)]2 with Ph2PCH2P(O)PPh2 (dppmO) and Ph2PCH2CH2P(O)PPh2 (dppeO) respectively. Here the phosphine ligand is attached via only phosphorus, however, removal of the chloride upon addition of AgNO3 lead to the formation of [Pd(pyC6H4)(κ2-dppmO)][NO3] and [Pd(pyC6H4)(κ2-dppeO)][NO3] in which the ligands are believed to bind in a chelate fashion.",

keywords = "Palladium, Cyclometalated, Crystal structure, 2-phenylpyridine, Synthesis",

author = "Al-Jibori, {Subhi A.} and Gergees, {Hayfa M} and Al-Rubaye, {Mousa S.} and Sucharita Basak-Modi and Shishir Ghosh and Harry Schmidt and Mariano Laguna and {Asunci{\'o}n Luquin Mart{\'i}nez}, M. and Graeme Hogarth",

year = "2016",

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doi = "10.1016/j.ica.2016.04.046",

language = "English",

journal = "INORGANICA CHIMICA ACTA",

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T1 - Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands

AU - Al-Jibori, Subhi A.

AU - Gergees, Hayfa M

AU - Al-Rubaye, Mousa S.

AU - Basak-Modi, Sucharita

AU - Ghosh, Shishir

AU - Schmidt, Harry

AU - Laguna, Mariano

AU - Asunción Luquin Martínez, M.

AU - Hogarth, Graeme

PY - 2016/5/9

Y1 - 2016/5/9

N2 - A number of cyclometalated palladium(II) complexes [PdCl(pyC6H4)(L)] containing amino-pyridine or acetylamino-pyridine co-ligands (L) have been prepared from the reaction of [Pd(pyC6H4)(μ-Cl)]2 with two equivalents of these ligands. Crystal structures of four examples have been carried out, each showing a distorted square planer geometry around palladium with the amino- or acetylamino-pyridine ligand being coordinated via nitrogen atom and lying almost perpendicular to the square-plane. Similarly, [PdCl(pyC6H4)(κ1-dppmO)] and [PdCl(pyC6H4)(κ1-dppeO)] result from reactions of [Pd(C6H4py)(μ-Cl)]2 with Ph2PCH2P(O)PPh2 (dppmO) and Ph2PCH2CH2P(O)PPh2 (dppeO) respectively. Here the phosphine ligand is attached via only phosphorus, however, removal of the chloride upon addition of AgNO3 lead to the formation of [Pd(pyC6H4)(κ2-dppmO)][NO3] and [Pd(pyC6H4)(κ2-dppeO)][NO3] in which the ligands are believed to bind in a chelate fashion.

AB - A number of cyclometalated palladium(II) complexes [PdCl(pyC6H4)(L)] containing amino-pyridine or acetylamino-pyridine co-ligands (L) have been prepared from the reaction of [Pd(pyC6H4)(μ-Cl)]2 with two equivalents of these ligands. Crystal structures of four examples have been carried out, each showing a distorted square planer geometry around palladium with the amino- or acetylamino-pyridine ligand being coordinated via nitrogen atom and lying almost perpendicular to the square-plane. Similarly, [PdCl(pyC6H4)(κ1-dppmO)] and [PdCl(pyC6H4)(κ1-dppeO)] result from reactions of [Pd(C6H4py)(μ-Cl)]2 with Ph2PCH2P(O)PPh2 (dppmO) and Ph2PCH2CH2P(O)PPh2 (dppeO) respectively. Here the phosphine ligand is attached via only phosphorus, however, removal of the chloride upon addition of AgNO3 lead to the formation of [Pd(pyC6H4)(κ2-dppmO)][NO3] and [Pd(pyC6H4)(κ2-dppeO)][NO3] in which the ligands are believed to bind in a chelate fashion.

KW - Palladium

KW - Cyclometalated

KW - Crystal structure

KW - 2-phenylpyridine

KW - Synthesis

U2 - 10.1016/j.ica.2016.04.046

DO - 10.1016/j.ica.2016.04.046

M3 - Article

SN - 0020-1693

JO - INORGANICA CHIMICA ACTA

JF - INORGANICA CHIMICA ACTA

ER -

Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands

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Keywords

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