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Bis(pyrazolyl)acetate and bis(3,5-dimethylpyrazolyl)acetate tris -acetonitrile ruthenium(II) complexes: Synthesis, properties, and structure. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.05.060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Tampier S, Burzlaff N. Heteroscorpionate complexes based on bis(3,5-di-tert-butylpyrazol-1-yl)dithioacetate. Acta Crystallogr C 2013; 69:981-5. [PMID: 24005504 DOI: 10.1107/s0108270113021148] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Accepted: 07/29/2013] [Indexed: 11/10/2022] Open
Abstract
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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Affiliation(s)
- Stefan Tampier
- Department of Chemistry and Pharmacy, University of Erlangen-Nürnberg, Egerlandstrasse 1, D-91058 Erlangen, Germany
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Quillian B, Joslin EE, Gunnoe TB, Sabat M, Myers WH. 2,2,2-Tris(pyrazolyl)ethoxide (EpOX) Ruthenium(II) Complexes, (EpOX)RuCl(L)(L′): Synthesis, Structure, and Reactivity. Inorg Chem 2012; 52:1113-21. [DOI: 10.1021/ic3024474] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Brandon Quillian
- Department
of Chemistry, University of Virginia, Charlottesville,
Virginia 22904, United States
| | - Evan E. Joslin
- Department
of Chemistry, University of Virginia, Charlottesville,
Virginia 22904, United States
| | - T. Brent Gunnoe
- Department
of Chemistry, University of Virginia, Charlottesville,
Virginia 22904, United States
| | - Michal Sabat
- Nanoscale Material Characterization Facility, Department of Materials
Science and Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
| | - William H. Myers
- Department of Chemistry, University of Richmond, Richmond, Virginia 23173, United States
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Bortoluzzi M, Paolucci G, Fregona D, Via LD, Enrichi F. Group 3 and lanthanide triflate-complexes with [N,N,O]-donor ligands: synthesis, characterization, and cytotoxic activity. J COORD CHEM 2012. [DOI: 10.1080/00958972.2012.728591] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Marco Bortoluzzi
- a Dipartimento di Scienze Molecolari e Nanosistemi , Università Ca’ Foscari Venezia , Dorsoduro 2137, 30121 Venezia , Italy
| | - Gino Paolucci
- a Dipartimento di Scienze Molecolari e Nanosistemi , Università Ca’ Foscari Venezia , Dorsoduro 2137, 30121 Venezia , Italy
| | - Dolores Fregona
- b Dipartimento di Scienze Chimiche , via Marzolo 1, 35131 Padova , Italy
| | - Lisa Dalla Via
- c Dipartimento di Scienze del Farmaco , via Marzolo 5, 35131 Padova , Italy
| | - Francesco Enrichi
- d CIVEN, Coordinamento Interuniversitario Veneto per le Nanotecnologie , via delle Industrie 5, 30175 Marghera (Venezia) , Italy
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Elorriaga D, Carrillo-Hermosilla F, Antiñolo A, López-Solera I, Menot B, Fernández-Galán R, Villaseñor E, Otero A. New Alkylimido Niobium Complexes Supported by Guanidinate Ligands: Synthesis, Characterization, and Migratory Insertion Reactions. Organometallics 2012. [DOI: 10.1021/om201192w] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- David Elorriaga
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
| | - Fernando Carrillo-Hermosilla
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
| | - Antonio Antiñolo
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
| | - Isabel López-Solera
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
| | - Bérengère Menot
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
| | - Rafael Fernández-Galán
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
| | - Elena Villaseñor
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
| | - Antonio Otero
- Departamento de
Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias Químicas, Universidad de Castilla-La Mancha, Campus Universitario de Ciudad
Real, 13071-Ciudad Real, Spain
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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. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.07.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bassanetti I, Gennari M, Marchiò L, Terenghi M, Elviri L. Li+, Cu+, and Ag+ Oligonuclear Structures with the Sterically Demanding Bis(3,5-tertbutylpyrazol-1-yl)dithioacetate Heteroscorpionate Ligand. Inorg Chem 2010; 49:7007-15. [DOI: 10.1021/ic100886x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Irene Bassanetti
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Marcello Gennari
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Luciano Marchiò
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Mattia Terenghi
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Lisa Elviri
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
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Romero-Fernández J, Carrillo-Hermosilla F, Antiñolo A, Alonso-Moreno C, Rodríguez AM, López-Solera I, Otero A. Oxo- and imido-alkoxide vanadium complexes as precatalysts for the guanylation of aromatic amines. Dalton Trans 2010; 39:6419-25. [DOI: 10.1039/c0dt00064g] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Sánchez-Barba LF, Alonso-Moreno C, Garcés A, Fajardo M, Fernández-Baeza J, Otero A, Lara-Sánchez A, Rodríguez AM, López-Solera I. Synthesis, structures and ring-opening polymerization studies of new zinc chloride and amide complexes supported by amidinate heteroscorpionate ligands. Dalton Trans 2009:8054-62. [PMID: 19771369 DOI: 10.1039/b910048b] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of the heteroscorpionate lithium salts [Li(pbpamd)(THF)] [pbpamd = N,N'-diisopropylbis(3,5-dimethylpyrazol-1-yl)acetamidinate] and [Li(tbpamd)(THF)] [tbpamd = N-ethyl-N'-tert-butylbis(3,5-dimethylpyrazol-1-yl)acetamidinate] with 1 equivalent of ZnCl2 in THF affords very high yields of the neutral heteroscorpionate chloride zinc complexes [ZnCl(NNN)] (NNN = pbpamd 1 and tbpamd 2). Compound 1 was used as a convenient starting material for the synthesis of aromatic amide zinc compounds [Zn(NHAr)(pbpamd)], where NHAr = 4-methylphenylamide (NH-4-MeC6H4) 3, 2,4,6-trimethylphenylamide (NH-2,4,6-Me3C6H2) 4 and 2,6-diethylphenylamide (NH-2,6-Et2C6H3) 5, by the reaction of the corresponding aromatic primary amide lithium salts. Alternatively, aliphatic amide derivatives [Zn(NR2)(pbpamd)] (R = SiMe3 6, SiHMe2 7 and iPr 8) were cleanly prepared by reacting the amidine-heteroscorpionate compound Hpbpamd with the corresponding bis(amide) zinc complexes [Zn(NR2)2] (R = SiMe3, SiHMe2 and iPr). The single-crystal X-ray structures of complexes 2, 3 and 6 confirm a 4-coordinate arrangement in all cases, with the zinc metal surrounded in a distorted tetrahedral geometry and the heteroscorpionate ligands arranged in a kappa3 coordination mode. Whereas aliphatic amide heteroscorpionates 6-8 can act as efficient single-component initiators for the ring-opening polymerization of epsilon-caprolactone at room temperature, aromatic amide derivatives were not capable of yielding polymers even at high temperature. Epsilon-caprolactone is polymerized within minutes to give medium-high molecular weight polymers under mild conditions and with narrow polydispersities (M(w)/M(n) = 1.26). Polymer end group analysis shows that the polymerization mediated by aliphatic amide zinc complexes is initiated by amide transfer to the monomer.
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Affiliation(s)
- Luis F Sánchez-Barba
- Departamento de Química Inorgánica y Analítica, Universidad Rey Juan Carlos, Móstoles-28933-Madrid, Spain.
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Pellei M, Alidori S, Camalli M, Campi G, Lobbia GG, Mancini M, Papini G, Spagna R, Santini C. Copper(I)–organophosphine complexes of bis(3,5-dimethylpyrazol-1-yl)dithioacetate ligand. Inorganica Chim Acta 2008. [DOI: 10.1016/j.ica.2007.09.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Porchia M, Papini G, Santini C, Lobbia GG, Pellei M, Tisato F, Bandoli G, Dolmella A. Oxo-rhenium(V) compounds containing bis(3,5-dimethylpyrazol-1-yl)acetate scorpionate ligand. Inorganica Chim Acta 2006. [DOI: 10.1016/j.ica.2006.01.036] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Howe RG, Tredget CS, Lawrence SC, Subongkoj S, Cowley AR, Mountford P. A novel transformation of a zirconium imido compound and the development of a new class of N3donor heteroscorpionate ligand. Chem Commun (Camb) 2006:223-5. [PMID: 16372113 DOI: 10.1039/b513927a] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction of the dimeric zirconium imido compound [Zr2(mu-NAr)2Cl4(THF)4] with tris(3,5-dimethylpyrazolyl)methyl silane very selectively gave [Zr{(Me2pz)2Si(Me)NAr}Cl3] (1), a highly active pre-catalyst for ethylene polymerisation; a more general and versatile route to N3 donor heteroscorpionate compounds was achieved via the protio ligand (Me2pz)2CHSi(Me)2N(H)iPr for which neutral and cationic organometallic Group 3 and 4 derivatives are reported (Ar = 2,6-C6H(3)iPr2).
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Affiliation(s)
- Robert G Howe
- Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford, UK
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