Tris(pyrazolyl)phosphine oxides. Synthesis and coordination chemistry with copper(I)

Cornelis G.J. Tazelaar; Volodymyr Lyaskovskyy; Tom Van Dijk; Daniël L.J. Broere; Ludo A. Kolfschoten; Rima Osman Hassan Khiar; Martin Lutz; J. Chris Slootweg; Koop Lammertsma

doi:10.1021/om300051f

Tris(pyrazolyl)phosphine oxides. Synthesis and coordination chemistry with copper(I)

Cornelis G.J. Tazelaar
, Volodymyr Lyaskovskyy
, Tom Van Dijk
, Daniël L.J. Broere
, Ludo A. Kolfschoten
, Rima Osman Hassan Khiar
, Martin Lutz
, J. Chris Slootweg
, Koop Lammertsma

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

A set of substituted tris(pyrazolyl)phosphine oxides (OP(pz ^x) ₃) has been prepared in high yield and applied as neutral scorpion-type ligands. The P apex provides a convenient spectroscopic handle. Substitution at the 3-position of the pyrazolyl ring influences the steric demands of the ligand, while substitution at the 5-position enhances the stability. Copper(I) acetonitrile complexes of the OP(pz ^x) ₃ ligands were prepared and tested in ligand exchange reactions with PPh ₃ and CO. The v(CO) values of the carbonyl complexes demonstrate the electron-withdrawing properties of the ligands. These observations show that OP(pz ^x) ₃ ligands are an interesting extension of the widely used scorpion-type ligands.

Original language	English
Pages (from-to)	3308-3315
Number of pages	8
Journal	Organometallics
Volume	31
Issue number	8
DOIs	https://doi.org/10.1021/om300051f
Publication status	Published - 23 Apr 2012
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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10.1021/om300051f

Cite this

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title = "Tris(pyrazolyl)phosphine oxides. Synthesis and coordination chemistry with copper(I)",

abstract = "A set of substituted tris(pyrazolyl)phosphine oxides (OP(pz x) 3) has been prepared in high yield and applied as neutral scorpion-type ligands. The P apex provides a convenient spectroscopic handle. Substitution at the 3-position of the pyrazolyl ring influences the steric demands of the ligand, while substitution at the 5-position enhances the stability. Copper(I) acetonitrile complexes of the OP(pz x) 3 ligands were prepared and tested in ligand exchange reactions with PPh 3 and CO. The v(CO) values of the carbonyl complexes demonstrate the electron-withdrawing properties of the ligands. These observations show that OP(pz x) 3 ligands are an interesting extension of the widely used scorpion-type ligands.",

author = "Tazelaar, \{Cornelis G.J.\} and Volodymyr Lyaskovskyy and Dijk, \{Tom Van\} and Broere, \{Dani{\"e}l L.J.\} and Kolfschoten, \{Ludo A.\} and Khiar, \{Rima Osman Hassan\} and Martin Lutz and Slootweg, \{J. Chris\} and Koop Lammertsma",

year = "2012",

month = apr,

day = "23",

doi = "10.1021/om300051f",

language = "English",

volume = "31",

pages = "3308--3315",

journal = "Organometallics",

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publisher = "American Chemical Society",

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TY - JOUR

T1 - Tris(pyrazolyl)phosphine oxides. Synthesis and coordination chemistry with copper(I)

AU - Tazelaar, Cornelis G.J.

AU - Lyaskovskyy, Volodymyr

AU - Dijk, Tom Van

AU - Broere, Daniël L.J.

AU - Kolfschoten, Ludo A.

AU - Khiar, Rima Osman Hassan

AU - Lutz, Martin

AU - Slootweg, J. Chris

AU - Lammertsma, Koop

PY - 2012/4/23

Y1 - 2012/4/23

N2 - A set of substituted tris(pyrazolyl)phosphine oxides (OP(pz x) 3) has been prepared in high yield and applied as neutral scorpion-type ligands. The P apex provides a convenient spectroscopic handle. Substitution at the 3-position of the pyrazolyl ring influences the steric demands of the ligand, while substitution at the 5-position enhances the stability. Copper(I) acetonitrile complexes of the OP(pz x) 3 ligands were prepared and tested in ligand exchange reactions with PPh 3 and CO. The v(CO) values of the carbonyl complexes demonstrate the electron-withdrawing properties of the ligands. These observations show that OP(pz x) 3 ligands are an interesting extension of the widely used scorpion-type ligands.

AB - A set of substituted tris(pyrazolyl)phosphine oxides (OP(pz x) 3) has been prepared in high yield and applied as neutral scorpion-type ligands. The P apex provides a convenient spectroscopic handle. Substitution at the 3-position of the pyrazolyl ring influences the steric demands of the ligand, while substitution at the 5-position enhances the stability. Copper(I) acetonitrile complexes of the OP(pz x) 3 ligands were prepared and tested in ligand exchange reactions with PPh 3 and CO. The v(CO) values of the carbonyl complexes demonstrate the electron-withdrawing properties of the ligands. These observations show that OP(pz x) 3 ligands are an interesting extension of the widely used scorpion-type ligands.

UR - https://www.scopus.com/pages/publications/84860321994

U2 - 10.1021/om300051f

DO - 10.1021/om300051f

M3 - Article

AN - SCOPUS:84860321994

SN - 0276-7333

VL - 31

SP - 3308

EP - 3315

JO - Organometallics

JF - Organometallics

IS - 8

ER -

Tris(pyrazolyl)phosphine oxides. Synthesis and coordination chemistry with copper(I)

Abstract

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