Examining the impact of steric and electronic variation in N2S scorpionate ligands on the properties of zinc(II) and cadmium(II) complexes

Spiropulos, Nicholas G.; Chingas, Gerry C.; Sullivan, Mallory; York, John T.; Brown, Eric C.

doi:10.1016/j.ica.2011.07.033

Cited by 13 publications

(7 citation statements)

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“…In the MS, the [Li(bdtbpzdta)] + ion was detected at m/z = 455. The spectroscopic data agrees well with that reported in the literature (Bassanetti et al, 2010;Spiropulos et al, 2011).…”

Section: Figuresupporting

confidence: 91%

“…In the case of bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetate (bdtbpzdta), the molecular structure obtained from X-ray structure determination revealed the formation of a trinuclear complex, [Li(bdtbpzdta)] 3 Á2.25THF (Bassanetti et al, 2010). Nevertheless, in contrast to this 4 N,N 0 ,S,S 0 -coordination mode, a 3 N,N 0 ,S-coordination was recently reported for [Zn-(bdtbpzdta)Br] (Spiropulos et al, 2011).…”

Section: Figurementioning

confidence: 89%

“…The synthesis of (1) was achieved following the procedure described for Li [bdmpzdta] [bdmpzdta is bis(3,5-dimethylpyrazol-1-yl)dithioacetate; Otero et al, 2002]. This procedure is almost identical to the procedures reported by others previously (Bassanetti et al, 2010;Spiropulos et al, 2011). Bis(3,5-di-tert-butylpyrazol-1-yl)methane (bdtbpzm) was treated with an equimolar amount of n-butyllithium at low temperature in tetrahydrofuran.…”

Section: Figurementioning

confidence: 99%

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Heteroscorpionate complexes based on bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetate

Tampier

Burzlaff

2013

Acta Crystallogr C

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The heteroscorpionate ligand bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetate (bdtbpzdta) has been synthesized by reacting bis(3,5-di-tert-butylpyrazol-1-yl)methane with n-BuLi and CS2. The ligand was isolated as [bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetato](tetrahydrofuran)lithium(I) tetrahydrofuran monosolvate, [Li(C24H39N4S2)(C4H8O)]·C4H8O or [Li(bdtbpzdta)(THF)]·THF, in which the lithium cation is bound by the κ(3)N,N',S-coordinated heteroscorpionate ligand. A similar coordination mode is observed for a zinc chloride complex bearing the bdtbpzdta ligand, namely [bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetato]chloridozinc(II), [Zn(C24H39N4S2)Cl] or [Zn(bdtbpzdta)Cl], which exhibits κ(3)N,N',S-coordination and resembles the active site of zinc-containing peptide deformylases (PDFs).

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“…In the MS, the [Li(bdtbpzdta)] + ion was detected at m/z = 455. The spectroscopic data agrees well with that reported in the literature (Bassanetti et al, 2010;Spiropulos et al, 2011).…”

Section: Figuresupporting

confidence: 91%

Section: Figurementioning

confidence: 89%

Section: Figurementioning

confidence: 99%

See 1 more Smart Citation

Heteroscorpionate complexes based on bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetate

Tampier

Burzlaff

2013

Acta Crystallogr C

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“…0.150 g (56%). Found C = 40.15%, H = 6.05%, N = 23.28%, Anal calc for C 18 s. UV-Vis spectra: k max /nm (in CH 3 CN) (e max /mol À1 cm À1 ) 215 (28,048). K M (X À1 cm 2 mol À1 ) = 122.…”

Section: Synthesis Of Complexes [Zn(n 3 )(Dbdmp)]clo 4 (1)mentioning

confidence: 99%

“…But it is not possible to know whether they will act as monodentate or bridging ligand in the bi-and polynuclear complexes. Although a large number of mono, bi-and polynuclear complexes of copper(II), nickel(II) with azide or thiocyanate or isocyanate have been reported, number of papers on zinc(II) and cadmium(II) complexes with pseudohalides are relatively less [15][16][17][18][19][20][21][22]. Among the pseudohalides containing cadmium complexes, the number of isocyanate containing cadmium complexes structurally characterized is rare.…”

Section: Introductionmentioning

confidence: 99%

Zinc(II) and Cadmium(II) complexes with N4-coordinate pyrazole based ligand: Syntheses, characterization and structure

Solanki

Sadhu

Kumar

et al. 2014

Journal of Molecular Structure

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Bulky HybridC‐Scorpionate/Amidinate Complexes of Lithium and Zinc

et al. 2022

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Lithiation of the bis(pyrazolyl)methanes H 2 C(Pz Ad,Me ) 2 (1 a) and H 2 C(Pz Ph,Ph ) 2 (1 b) and subsequent addition of N,N'-diisopropylcarbodiimide in THF yields [(thf)Li{(Pz Ad,Me ) 2 HCÀ C(=NiPr)(NiPr)}] (2 a) and [(thf)Li{(Pz Ph,Ph ) 2 HCÀ C(=NiPr)(NiPr)}] (2 b). For comparison reasons, the structure of [(thf)Li{(Pz tBu,tBu ) 2 HCÀ C-(=NCy)(NCy)}] (I) has been determined as well. Protolysis with aqueous ammonium chloride solution gives (Pz Ad,Me ) 2 HCÀ C-(=NiPr)(NHiPr) (3 a) and (Pz Ph,Ph ) 2 HCÀ C(=NiPr)(NHiPr) (3 b). Zinca-tion with diethylzinc leads to the formation of [EtZn {(Pz Ad,Me ) 2 HCÀ C(=NiPr)(NiPr)}] (4 a) and [EtZn{(Pz Ph,Ph ) 2 HCÀ C-(=NiPr)(NiPr)}] (4 b). The metathetical approach allows preparation and isolation of [ClZn{(Pz Ph,Ph ) 2 HCÀ C(=NiPr)(NiPr)}] (5). A comparison of the molecular structures of the lithium and zinc complexes allows to elucidate the influence of electronegativity on structural parameters because tetra-coordinate Li and Zn ions have very similar radii.

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Examining the impact of steric and electronic variation in N2S scorpionate ligands on the properties of zinc(II) and cadmium(II) complexes

Cited by 13 publications

References 50 publications

Heteroscorpionate complexes based on bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetate

Heteroscorpionate complexes based on bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetate

Zinc(II) and Cadmium(II) complexes with N4-coordinate pyrazole based ligand: Syntheses, characterization and structure

Bulky HybridC‐Scorpionate/Amidinate Complexes of Lithium and Zinc

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