Chemical behavior of ortho-hydroquinone-based bis(pyrazol-1-yl)methane ligands in the presence of palladium(II) chloride

Blasberg, Florian; Bolte, Michael; Lerner, Hans‐Wolfram

doi:10.1016/j.jorganchem.2011.08.002

Cited by 12 publications

(18 citation statements)

References 33 publications

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“…Dichlorido-[1-(bis-1H-pyrazol-1-ylmethyl)-benzene-3,4-diol-N,N']palladium(II) (50 mg, 0.12 mmol; Blasberg et al, 2011) was reacted with 19 mg (0.23 mmol) of lithium t-butoxide in tetrahydrofuran (4 ml) for 5 min, after which 62 mg (0.12 mmol) of tetrakis-[2-(pyridin-2-yl)phenyl]-dichlorido-diiridium(III) was added. After stirring overnight, the suspension which had formed, was separated by centrifugation and dried by evaporation.…”

Section: Methodsmentioning

confidence: 99%

“…For our work on redox active ligands, see: Jä kle et al (1996); Guo et al (2001); Margraf et al (2006); Kretz et al (2006); Phan et al (2011);Scheuermann et al (2008Scheuermann et al ( , 2009); Blasberg et al (2010Blasberg et al ( , 2011. For the synthesis of the starting materials, see: Blasberg et al (2011);Lowry et al (2004).…”

Section: Related Literaturementioning

confidence: 99%

“…For the synthesis of the starting materials, see: Blasberg et al (2011);Lowry et al (2004). For related structures, see: Yang et al (2009) ;Shu et al (2011); McGee & Mann (2007); Garces et al (1993).…”

Section: Related Literaturementioning

confidence: 99%

“…This molecule might allow for light-driven redox-reactions, which in turn can switch catalysis on or off. The palladium(II) complex 1 (Blasberg et al, 2010;Blasberg et al, 2011) was deprotonated twice with lithium t-butoxide (LiOtBu) in a tetrahydrofuran solution in a glove box and subsequently Lowry et al, 2004) was added to the resulting dianion. After stirring overnight and recrystallization of the resulting crude material from acetonitrile, the only obtained product was (acet-…”

Section: Commentmentioning

confidence: 99%

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(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ²C¹,N]iridium(III)

2011

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The IrIII atom of the title compound, [Ir(C11H8N)2Cl(CH3CN)], displays a distorted octahedral coordination. The pyridyl groups are in trans positions [N—Ir—N = 173.07 (10)°], while the phenyl groups are trans with respect to the acetonitrile and chloride groups [C—Ir—N = 178.13 (11) and C—Ir—Cl = 176.22 (9)°]. The pyridylphenyl groups only show a small deviation from planarity, with the dihedral angle between the planes of the two six-membered rings in each pyridylphenyl group being 5.6 (2) and 5.8 (1)°. The crystal packing shows intermolecular C—H⋯Cl, C—H⋯π(acetonitrile) and C—H⋯π(pyridylphenyl) contacts.

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Section: Methodsmentioning

confidence: 99%

Section: Related Literaturementioning

confidence: 99%

Section: Related Literaturementioning

confidence: 99%

Section: Commentmentioning

confidence: 99%

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(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ²C¹,N]iridium(III)

2011

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“…The synthesis method for preparation of DPP was modified according to the reference [37]. Pale yellow powder, Yield 51%.…”

Section: Preparation Of Pb(ii) Ion-imprinted Mesoporous Silica 221mentioning

confidence: 99%

Novel Pb(II) ion-imprinted materials based on bis-pyrazolyl functionalized mesoporous silica for the selective removal of Pb(II) in water samples

Cui

Shu

et al. 2017

Microporous and Mesoporous Materials

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Three highly efficient adsorbents Pb-IIMS-SBA-15, Pb-IIMS-MCM-41 and Pb-IIMS-FDU-12 for Pb(II) were prepared by grafting the functional monomer 4-(di (1H-pyrazol-1-yl) methyl) phenol (DPP) on corresponding mesoporous silicas with Pb(II) as temple. All these three Pb(II) ion-imprinted mesoporous silica (Pb-IIMS) were characterized by Fourier transform-infrared spectroscopy (FT-IR), solid-state 29 Si and 13 C NMR spectra, scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDX), N 2 adsorption-desorption analysis and small angel X-ray diffraction (XRD). The adsorption experiments revealed three Pb-IIMS all possessed considerable adsorption performance for Pb(II), their adsorption profiles obeyed pseudo-second-order kinetics and Langmuir isotherm model. Compared with their corresponding non-imprinted materials, three Pb-IIMS displayed satisfactory selectivity to Pb(II) over seven competing metal ions. Among them, Pb-IIMS-MCM-41 particularly owned outstanding adsorption performance and selectivity, the maximum adsorption capacity as high as 344.8 mg g-1 , as well as excellent reusability through twelve adsorption-desorption cycles. Additionally,

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Third‐Generation Scorpionates [RBpz3]– – How Influential Is the Nondonor Substituent R?

2015

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Five pairs of perfluorophenyl-and phenyl-substituted tris(pyrazol-1-yl)borate complexes have been prepared and thoroughly investigated, namely, [(C 6 R′ 5 Bpz 3 ) 2 Fe], [(C 6 R′ 5 Bpz 3 ) 2 Cu], [(C 6 R′ 5 Bpz 3 )Mn(CO) 3 ], K[(C 6 R′ 5 Bpz 3 )Mo(CO) 3 ], and [(C 6 R′ 5 Bpz 3 )Mo(CO) 2 (2-methallyl)] (R′ = F, H; pz = pyrazol-1yl). X-ray crystal structure analyses and IR spectroscopical measurements reveal only a minor influence of the spectator substit- [a]

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Chemical behavior of ortho-hydroquinone-based bis(pyrazol-1-yl)methane ligands in the presence of palladium(II) chloride

Cited by 12 publications

References 33 publications

(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ²C¹,N]iridium(III)

(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ²C¹,N]iridium(III)

Novel Pb(II) ion-imprinted materials based on bis-pyrazolyl functionalized mesoporous silica for the selective removal of Pb(II) in water samples

Third‐Generation Scorpionates [RBpz3]– – How Influential Is the Nondonor Substituent R?

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Chemical behavior of ortho-hydroquinone-based bis(pyrazol-1-yl)methane ligands in the presence of palladium(II) chloride

Cited by 12 publications

References 33 publications

(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ2C1,N]iridium(III)

(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ2C1,N]iridium(III)

Novel Pb(II) ion-imprinted materials based on bis-pyrazolyl functionalized mesoporous silica for the selective removal of Pb(II) in water samples

Third‐Generation Scorpionates [RBpz3]– – How Influential Is the Nondonor Substituent R?

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(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ²C¹,N]iridium(III)

(Acetonitrile-κN)chloridobis[2-(pyridin-2-yl)phenyl-κ²C¹,N]iridium(III)