2,2,2-tris(pyrazolyl)ethoxide (EpOX) ruthenium(II) complexes, (EpOX)RuCl(L)(L′): Synthesis, structure, and reactivity

Brandon Quillian; Evan E. Joslin; T. Brent Gunnoe; Michal Sabat; William H. Myers

doi:10.1021/ic3024474

2,2,2-tris(pyrazolyl)ethoxide (Ep^OX) ruthenium(II) complexes, (Ep^OX)RuCl(L)(L′): Synthesis, structure, and reactivity

Brandon Quillian, Evan E. Joslin, T. Brent Gunnoe, Michal Sabat, William H. Myers

Biochemistry, Chemistry & Physics

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

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Abstract

Treatment of RuCl₂(PPh₃)₃ with sodium 2,2,2-tris(pyrazolyl)ethoxide [NaOCH₂C(pz)₃; pz = pyrazolyl] affords the asymmetric heteroscorpionate complex cis-(Ep ^OX)RuCl(PPh₃)₂ (1), (Ep^OX = κ³-N,N,O-OCH₂C(pz)₃), which can be converted to Ru(II) compounds (2-6), (Ep^OX)RuCl(L)(L′) [(2) L = PPh₃, L′ = P(OCH₂)₃CEt; (3) L = L′ = P(OCH₂)₃CEt; (5) L, L′ = PPh₃, CO; (6) L = L′ = CO]. Compounds 1 and 3 react with CHCl₃ at 60 and 100 C, respectively, to yield cationic tris(pyrazolyl)methane Ru(II) complexes, [(κ³-N,N,N-Mp)RuCl(L)₂]Cl [Mp = HC(pz)₃; (7) L = PPh₃; (8) L = P(OCH₂)₃CEt]. The complexes have been characterized by ¹H, ¹³C, and ³¹P{¹H} NMR spectroscopy, elemental analysis, high resolution mass spectrometry, and cyclic voltammetry. Complexes 1 and 3 have also been characterized by single crystal X-ray analysis.

Original language	English
Pages (from-to)	1113-1121
Number of pages	9
Journal	Inorganic Chemistry
Volume	52
Issue number	2
DOIs	https://doi.org/10.1021/ic3024474
State	Published - Jan 18 2013

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Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "2,2,2-tris(pyrazolyl)ethoxide (EpOX) ruthenium(II) complexes, (EpOX)RuCl(L)(L′): Synthesis, structure, and reactivity",

abstract = "Treatment of RuCl2(PPh3)3 with sodium 2,2,2-tris(pyrazolyl)ethoxide [NaOCH2C(pz)3; pz = pyrazolyl] affords the asymmetric heteroscorpionate complex cis-(Ep OX)RuCl(PPh3)2 (1), (EpOX = κ3-N,N,O-OCH2C(pz)3), which can be converted to Ru(II) compounds (2-6), (EpOX)RuCl(L)(L′) [(2) L = PPh3, L′ = P(OCH2)3CEt; (3) L = L′ = P(OCH2)3CEt; (5) L, L′ = PPh3, CO; (6) L = L′ = CO]. Compounds 1 and 3 react with CHCl3 at 60 and 100 C, respectively, to yield cationic tris(pyrazolyl)methane Ru(II) complexes, [(κ3-N,N,N-Mp)RuCl(L)2]Cl [Mp = HC(pz)3; (7) L = PPh3; (8) L = P(OCH2)3CEt]. The complexes have been characterized by 1H, 13C, and 31P{1H} NMR spectroscopy, elemental analysis, high resolution mass spectrometry, and cyclic voltammetry. Complexes 1 and 3 have also been characterized by single crystal X-ray analysis.",

author = "Brandon Quillian and Joslin, {Evan E.} and Gunnoe, {T. Brent} and Michal Sabat and Myers, {William H.}",

year = "2013",

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doi = "10.1021/ic3024474",

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T1 - 2,2,2-tris(pyrazolyl)ethoxide (EpOX) ruthenium(II) complexes, (EpOX)RuCl(L)(L′)

T2 - Synthesis, structure, and reactivity

AU - Quillian, Brandon

AU - Joslin, Evan E.

AU - Gunnoe, T. Brent

AU - Sabat, Michal

AU - Myers, William H.

PY - 2013/1/18

Y1 - 2013/1/18

N2 - Treatment of RuCl2(PPh3)3 with sodium 2,2,2-tris(pyrazolyl)ethoxide [NaOCH2C(pz)3; pz = pyrazolyl] affords the asymmetric heteroscorpionate complex cis-(Ep OX)RuCl(PPh3)2 (1), (EpOX = κ3-N,N,O-OCH2C(pz)3), which can be converted to Ru(II) compounds (2-6), (EpOX)RuCl(L)(L′) [(2) L = PPh3, L′ = P(OCH2)3CEt; (3) L = L′ = P(OCH2)3CEt; (5) L, L′ = PPh3, CO; (6) L = L′ = CO]. Compounds 1 and 3 react with CHCl3 at 60 and 100 C, respectively, to yield cationic tris(pyrazolyl)methane Ru(II) complexes, [(κ3-N,N,N-Mp)RuCl(L)2]Cl [Mp = HC(pz)3; (7) L = PPh3; (8) L = P(OCH2)3CEt]. The complexes have been characterized by 1H, 13C, and 31P{1H} NMR spectroscopy, elemental analysis, high resolution mass spectrometry, and cyclic voltammetry. Complexes 1 and 3 have also been characterized by single crystal X-ray analysis.

AB - Treatment of RuCl2(PPh3)3 with sodium 2,2,2-tris(pyrazolyl)ethoxide [NaOCH2C(pz)3; pz = pyrazolyl] affords the asymmetric heteroscorpionate complex cis-(Ep OX)RuCl(PPh3)2 (1), (EpOX = κ3-N,N,O-OCH2C(pz)3), which can be converted to Ru(II) compounds (2-6), (EpOX)RuCl(L)(L′) [(2) L = PPh3, L′ = P(OCH2)3CEt; (3) L = L′ = P(OCH2)3CEt; (5) L, L′ = PPh3, CO; (6) L = L′ = CO]. Compounds 1 and 3 react with CHCl3 at 60 and 100 C, respectively, to yield cationic tris(pyrazolyl)methane Ru(II) complexes, [(κ3-N,N,N-Mp)RuCl(L)2]Cl [Mp = HC(pz)3; (7) L = PPh3; (8) L = P(OCH2)3CEt]. The complexes have been characterized by 1H, 13C, and 31P{1H} NMR spectroscopy, elemental analysis, high resolution mass spectrometry, and cyclic voltammetry. Complexes 1 and 3 have also been characterized by single crystal X-ray analysis.

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JO - Inorganic Chemistry

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ER -

2,2,2-tris(pyrazolyl)ethoxide (Ep^OX) ruthenium(II) complexes, (Ep^OX)RuCl(L)(L′): Synthesis, structure, and reactivity

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