K. Sünkel

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Cytotoxic Activities of Bis‐cyclometalated Rhodium(III) and Iridium(III) Complexes Containing 2,2’‐Biphenyldiamine

R. Czerwieniec, N. Metzler‐Nolte, M. Graf, 2021 .

Bis‐cyclometalated Iridium Complexes Containing Modified Phenanthroline Ligands and Evaluation of their Cytotoxic Activities

R. Czerwieniec, N. Metzler‐Nolte, M. Graf, 2020 .

Metal and Substituent Influence on the Cytostatic Activity of Cationic Bis‐cyclometallated Iridium and Rhodium Complexes with Substituted 1,10‐Phenanthrolines as Ancillary Ligands

N. Metzler‐Nolte, D. Siegmund, M. Graf, 2020 .

Synthesis and characterization of cyclometallated rhodium(III) and iridium(III) compounds with antiproliferative activities in the nanomolar range

N. Metzler‐Nolte, D. Siegmund, M. Graf, 2018 .

Aryl Phosphine Nickel(II) and Palladium(II) Complexes with N,O‐Amino‐carboxylate Chelate Ligands [(Aryl)(R3P)M(N,O‐α‐aminocarboxylate)](M = Ni, Pd). Catalysts for the Polymerization of Olefins

W. Beck, K. Sünkel, Shahram Mihan, 2006 .

Organometallic Half‐Sandwich Complexes Promote the Formation of Linear Oligopeptides from Amino Acid Esters

R. Krämer, K. Polborn, W. Beck, 1996 .

An aminotetracyanocyclopentadienide system: light-induced formation of a thermally stable cyclopentadienyl radical

D. Fattakhova‐Rohlfing, F. Zoller, K. Sünkel, 2020 .

Towards a phosphorescent cyclometalated iridium complex containing a modified polymerizable acetylacetonato ligand

H. Krüger, P. Mayer, M. Thesen, 2008 .

Serendipitous formation of the first η5-tricyanocyclopentadienyl complex. Crystal and molecular structures of [{C5H4-X(CN) }Mn(CO)2PPh3] (X = Br, CN; n = 1, 2)

K. Sünkel, Tobias Blockhaus, Christian Klein-Hessling, 2021, Inorganica Chimica Acta.

Coordination chemistry of polynitriles, part VII. The crystal structures of barium (II) and lead (II) pentacyanocyclopentadienide

K. Sünkel, P. Nimax, Karlheinz Sünkel, 2021 .

Synthesis and characterization of perhalogenated triphenylphosphine-cymantrenes [(C5X5)Mn(CO)2(PPh3)] (X = F, Cl, Br) and [(C5HI4)Mn(CO)2(PPh3)]

K. Sünkel, Tobias Blockhaus, Christian Klein-Hessling, 2021, Journal of Organometallic Chemistry.

Synthesis, molecular, and crystal structures of 3d transition metal cyanocyclopentadienides [M(MeOH)n(H2O)4–n{C5(CN)4X}2] (M=Mn, Fe, Co, Ni, Cu, Zn; X=H, CN, NH2, NO2)

K. Sünkel, P. Nimax, D. Reimann, 2018, Zeitschrift für Naturforschung B.

Crystal and molecular structures of some phosphane-substituted cymantrenes [(C5H4 X)Mn(CO)LL′] (X = H or Cl, L = CO, L′ = PPh3 or PCy3, and LL’ = Ph2PCH2CH2PPh2)

K. Sünkel, Christian Klein-Hessling, Karlheinz Sünkel, 2021, Acta crystallographica. Section C, Structural chemistry.

Metal complexes of biologically important ligands, CXVI. Addition of carbanions from barbituric acid derivatives to unsaturated hydrocarbons in cationic complexes for the organometallic labelling of barbituric acid ☆

W. Weigand, W. Beck, K. Sünkel, 1999 .

Coordination chemistry of perhalogenated cyclopentadienes and alkynes. XXVIII new high-yield synthesis of monobromoferrocene and simplified procedure for the synthesis of pentabromoferrocene. Molecular structures of 1,2,3-tribromoferrocene and 1,2,3,4,5-pentabromoferrocene

K. Sünkel, S. Bernhartzeder, 2011 .

Crystal and Molecular Structure of trans‐[IrCl(N2)(PiPr3)2]

P. Mayer, M. Graf, Hans‐Christian Böttcher, 2008 .

Sodium Salts of Substituted Tetracyanocyclopentadienides [C5(CN)4X]− (X= H, CN, NH2, NO2): Substituent Influence on the Crystal Structures of Potential Coordination Polymers.

K. Sünkel, P. Nimax, 2018 .

2-Pyridylmetallocenes, Part VI.† Double Cycloplatination of 1,1′-Dipyridylferrocene. Synthesis and Molecular Structure of σ-{Pt2Cl2(DMSO)2[Fe[η5-(C5H3(2-C5H4N)2]2]}

Ramona Branzan, K. Sünkel, 2017 .

2‐Pyridylmetallocenes, Part V. Synthesis of Hydroxymethyl‐, Formyl‐, and Carboxy‐pyridylferrocene and Study of Their Cycloplatination Reactions. [Molecular Structures of [{C5H3R(2‐C5H4N)‐1, 2}FeCp] (R = CHO, COOH) and σ‐Pt[(C5H5)Fe{C5H2(2‐C5H4N)(CH2OH)}]Cl (DMSO)

K. Sünkel, H. Budde, S. Weigand, 2013 .

2-Pyridylmetallocenes, part IV. Cycloplatination of 2-pyridyl-ferrocene, -ruthenocene and –cymantrene. Molecular structures of σ-Pt{CpM[C5H3(2-C5H4N)]}Cl (DMSO) (M = Fe, Ru) and σ-Pt{CpFe[C5H3(2-C5H4N)]}(acac)

Ramona Branzan, K. Sünkel, S. Weigand, 2013 .

Coordination Chemistry of Polynitriles, Part XI. Influence of 4,4′-Bipyridine and Solvent on the Crystal and Molecular Structures of Alkaline Earth Pentacyanocyclopentadienides

K. Sünkel, P. Nimax, Karlheinz Sünkel, 2022, Chemistry.

(η4-Tetraphenylcyclobutadiene)-(η5-pentaphenylcyclopentadienyl)-cobalt

K. Sünkel, Christian Klein-Hessling, 2022, Molbank.

Molecular and Crystal Structures of Some Fluorocymantrenes

K. Sünkel, Christian Klein-Hessling, 2021, Journal of Chemical Crystallography.

Bioorganometallics: First examples of cyclometalated iridium(III) complexes containing di- and tripeptide ester ligands

M. Graf, K. Sünkel, 2011 .

Ferrocenes with a Persulfurated Cyclopentadienyl Ring: Synthesis, Structural Studies, and Optoelectronic Properties

Harish Jangra, K. Karaghiosoff, Peter M. Zehetmaier, 2019, Chemistry.

Organometallic Complexes of Iridium, Palladium, Chromium and Iron from 2-Phenyl-5(4H)-oxazolones − Organometallic Labelled Dipeptides

K. Polborn, M. Prem, W. Steglich, 1998 .

Metalation Studies on Titanocene Dithiolates

K. Sünkel, Tilmann G. Kießling, Karlheinz Sünkel, 2018, Inorganics.

Luminescent diiridium(III) complex with a bridging biuretato ligand in unprecedented N,N′:O,O′ coordination

R. Czerwieniec, M. Graf, Hans‐Christian Böttcher, 2013 .

Synthesis, characterization and studies on the biological activity of bis-cyclometalated M(III)-complexes (M = Rh, Ir and Ru)

N. Metzler‐Nolte, D. Siegmund, M. Graf, 2019, Inorganica Chimica Acta.

Coordination Chemistry of Pentahalocyclopentadienyls

K. Sünkel, 1997 .

Coordination chemistry of perhalogenated cyclopentadienes and alkynes—XX. Synthesis of bi- and trimetallic cymantrene derivatives with silver or gold containing ring substituents. First observation of oxidative addition of a halogen-cyclopentadienyl bond to a Ni0 fragment

K. Sünkel, U. Birk, A. Blum, 1997 .

Coordination chemistry of perhalogenated cyclopentadienes and alkynes

Julian Hofmann, K. Sünkel, Werner Kempinger, 1994 .

Stepwise Synthesis and Crystal Structure of Tricarbonyl[pentakis(methylthio)cyclopentadienyl]‐manganese [{C5(SMe)5}Mn(CO)3]

K. Sünkel, D. Motz, 1988 .

Carbonyl(η5‐Cyclopentadienyl)‐(Tetrafluoroborato)Molybdenum and ‐ Tungsten Complexes

W. Beck, K. Sünkel, A. Cutler, 2007 .

Coordination chemistry of perhalogenated cyclopentadienes and alkynes, XXVII. Synthesis of bimetalli

K. Sünkel, S. Bernhartzeder, U. Birk, 2011 .

Coordination chemistry of perhalogenated cyclopentadienes and alkynes. XII: Synthesis and molecular structure of tricarbonyl(tetrakis(trimethylsilyl)cyclopentadienyl)manganese

Julian Hofmann, K. Sünkel, 1993 .

Hydrocarbon bridged metal complexes. XXXIV. Synthesis, structure and attempted decarbonylation of a trans 11,12-bis(dicarbonylcyclopentadienylironacyl) substituted dihydro 9,10-ethanoanthracene

A. Geisbauer, W. Beck, K. Sünkel, 1996 .

Metal Complexes of Biologically Important Ligands, CVII [1], Formation of Tris(pentamethylcyclopentadienyl-μ-L-prolinato-iridium) Tris(trifluoromethanesulfonate) with Chiral Self Recognition

W. Beck, K. Sünkel, W. Hoffmueller, 1998 .

α‐Amino Acids with Metallocenyl Side Chains

K. Polborn, W. Beck, K. Sünkel, 2002 .

Metal Complexes of Indigo and of Some Related Ligands

W. Beck, K. Sünkel, Karlheinz Sünkel, 2020, Zeitschrift für anorganische und allgemeine Chemie.

1,1′-Dibromo-2,2′,5,5′-tetrakis(methylthio)ferrocene

K. Sünkel, Tobias Blockhaus, Fabian L. Zott, 2023, Molbank.

Synthesis and reactivity of 1-chloro-2-methylthio-ferrocene and 1,1′-dichloro-2,2′-bis(methylthio)ferrocene. Molecular structure of 1-chloro-2,5-bis(methylthio)ferrocene

K. Sünkel, S. Bernhartzeder, Werner Kempinger, 2014 .

Coordination chemistry of perhalogenated cyclopentadienes and alkynes XIV. Synthesis of dinuclear ring-bridged cymantrenes with SiMe2 or TiCp2 bridges. Structures of [(OC)3Mn(C5Br4−)]2SiMe2 and [(OC)3Mn(C5Cl4−)]2TiCp2

Julian Hofmann, K. Sünkel, U. Birk, 1994 .

The reaction of ferrocene with mercuric chloride revisited: ‘Cp2Fe*2HgCl2’=[(C5H5)Fe(C5H4HgCl)]2[Hg2Cl6], comparison of its molecular structure with that of chloromercuriferrocene

K. Sünkel, Tilmann G. Kießling, 2001 .

Coordination chemistry of perhalogenated cyclopentadienes and alkynes, XXIII: The reaction of dichloroethyne with Ni(0) phosphine complexes: the strong influences of phosphine, solvent and concentration on the product composition. Structures of Ni(PPh3)2(Cl)(CCCl) and [Ni(PBu3)2(CC–PBu3)2]2+[SbF6−]2

K. Sünkel, U. Birk, Karlheinz Sünkel, 1999 .

Coordination Chemistry of Polynitriles, Part VIII. Thallium pentacyanocyclopentadienide

K. Sünkel, Tobias Blockhaus, 2021, Zeitschrift für anorganische und allgemeine Chemie.

Cyclometalated Iridium(III) and Rhodium(III) Complexes Containing Naphthyridine Ligands: Synthesis, Characterization and Biological Studies

N. Metzler‐Nolte, M. Graf, K. Sünkel, 2017 .

Synthesis and reactivity of [NBu4]+[Pt(III)(C6Cl5)4]-: molecular structures of [NBu4]2+[Pt(C6Cl5)4]2-.cntdot.2CH2Cl2, [NBu4]+[Pt(III)(C6Cl5)4]- and [NBu4]+[Pt(C6Cl5)4(NO)]-

R. Bau, R. Usón, M. Tomás, 1986 .

Solvent effects on the crystal structure of silver pentacyanocyclopentadienide: supramolecular isomerism and solvent coordination.

K. Sünkel, P. Nimax, D. Reimann, 2018, Dalton transactions.

The first mononuclear PtIII complex. Molecular structures of (NBu4)[PtIII(C6Cl5)4] and of its parent compound {NBu4}2[PtII(C6Cl5)4]·2CH2Cl2

R. Bau, R. Usón, M. Tomás, 1984 .

Coordination Chemistry of Perhalogenated Cyclopentadienes and Alkynes. 17. Reaction of Dichloroethyne With Platinum(0) Phosphine Complexes: Formation of a .pi.-Complex, Isomerization to .beta.-Chloroethynyl Complexes, and Syntheses of Diplatinioethyne Derivatives. Molecular Structures of (Ph3P)2Pt(.

C. Robl, K. Sünkel, U. Birk, 1994 .

Synthese und Struktur eines stabilen 16-Elektronen-α-Acyl-Esterenolat-Iridium(III) -Komplexes (Cl)(Ph3P)2I

W. Beck, K. Sünkel, E. Lippmann, 1994 .

Hydrocarbon bridged metal complexes: XLII. Addition of aniline tricarbonyl chromium complexes to the dienyl ligands of [(η5-H3CC5H5CH3)Fe(CO)3]+ and [(η5-C5H6CH3)Fe(CO)3]+

W. Beck, K. Sünkel, Hanns-Jorg Bentele, 1997 .

Synthesis and nonlinear optical properties of carbonylrhenium bromide complexes with conjugated pyridines

C. Bräuchle, K. Meerholz, E. Schmälzlin, 1999 .

Organometallic Lewis Acids, Part LXII. Chiral Carbonyl‐Cyclopentadienyl‐Triphenylphosphine‐Iron and ‐Ruthenium Complexes with Tertiary Nitriles [CpM(CO)(PPh3)(N≡C–CR1R2R3)]+ BF4– (M = Fe, Ru)

H. Langhals, W. Beck, Christopher U. Missling, 2017 .

Coordination Chemistry of Pentacarbonylrheniumacetylide Complexes with Copper, Silver, and Gold(I): (OC)5ReC≡CRe(CO)5 as Ligand

W. Beck, K. Sünkel, Shahram Mihan, 1999 .

Addition des O'Donnell Reagenzes [Ph2C=NCHCO2Me]– an π-koordinierte, ungesättigte Kohlenwasserstoffe in [(C6H7)Fe(CO)3]+, [(C7H9)Fe(CO)3]+, [(C7H7)M(CO)3]+ (M = Cr, Mo) und [(C2H4)Re(CO)5]+. α-Aminosäuren mit metallorganischen Seitenketten

W. Beck, K. Sünkel, Theodor Ederer, 1999 .

Metal complexes of biologically important ligands, XCVII. Synthesis and characterisation of cyclometallated compounds of Schiff bases from α -amino acid esters with manganese (I) and rhenium (I) carbonyls

K. Polborn, A. Böhm, W. Beck, 1998 .

Synthesis, Molecular and Crystal Structures of Some Monocyanocymantrenes

K. Sünkel, Christian Klein-Hessling, D. Reimann, 2022, Journal of Chemical Crystallography.

Structural diversity in the alkaline earth metal compounds of tetra and pentacyanocyclopentadienide.

K. Sünkel, P. Nimax, Karlheinz Sünkel, 2018, Dalton transactions.

Coordination chemistry of perhalogenated cyclopentadienes and alkynes. Part 30. New high-yield syntheses of monochloroferrocene and 1,2,3,4,5-pentachloroferrocene. Molecular structures of 1,2-dichloroferrocene and 1,2,3-trichloroferrocene

K. Sünkel, S. Bernhartzeder, 2012 .

TRANSITION METAL COMPLEXES OF L-AZIRIDINE-CARBOXYLATE

W. Beck, K. Sünkel, T. Hauck, 1995 .

Coordination Chemistry of Polynitriles, Part XII—Serendipitous Synthesis of the Octacyanofulvalenediide Dianion and Study of Its Coordination Chemistry with K+ and Ag+

K. Sünkel, P. Nimax, Yannick Kunzelmann, 2023, Inorganics.

N,O-Chelate complexes of Ru(II), Ir(III), Pd(II), Pt(II) and Cu(II) with tetrahydroisoquinolinic acid. Molecular structures of [(Et3P)(Cl)M(OOCCHCH2C6H4CH2NH)], M=Pd, Pt

K. Polborn, W. Beck, K. Sünkel, 2002 .

Synthesis and X-ray crystal structure of a bis-cyclometalated phosphorescent red-emitting iridium(III) complex

H. Krüger, P. Mayer, M. Thesen, 2009 .

Bis-cyclometalated rhodium- and iridium-complexes with the 4,4′-dichloro-2,2′-bipyridine ligand. Evaluation of their photophysical properties and biological activity

R. Czerwieniec, N. Metzler‐Nolte, M. Graf, 2017 .

Cyclometalated Iridium(III) Complexes Containing Semicarbazone Ligands: Synthesis, Characterization, Photophysical and Biological Studies: Cyclometalated Iridium(III) Complexes with Semicarbazone

R. Czerwieniec, N. Metzler‐Nolte, M. Graf, 2015 .

Photophysical and biological characterization of new cationic cyclometalated M(III) complexes of rhodium and iridium

R. Czerwieniec, N. Metzler‐Nolte, M. Graf, 2014 .

Synthesis and Molecular Structure of the New Green Emitting Complex [Ir2(μ2‐oxamidato‐N,N′,O,O′)(2‐(p‐tolyl)pyridinato)4]

R. Czerwieniec, M. Graf, K. Sünkel, 2013 .

Synthesis and structural characterization of bis-cyclometalated complexes [M(ptpy)2(S2COCH3)] (M = Rh, Ir; ptpy = 2-(p-tolyl)pyridinato)

M. Graf, Hans‐Christian Böttcher, K. Sünkel, 2013 .

First cyclometalated iridium(III) complex containing methyl 2-amino-2-deoxy-β-d-glucopyranoside as N,O-chelate

M. Graf, K. Sünkel, 2012 .

Cyclometalated rhodium(III) and iridium(III) complexes containing amino acids as N,O-chelates

M. Graf, K. Sünkel, 2011 .

[Ir(acac)(η2-C8H14)2]: A precursor in the synthesis of cyclometalated iridium(III) complexes

H. Krüger, P. Mayer, M. Graf, 2011 .

Efficient synthesis of the cyclometalated complex fac-[Rh(ppy)3] (ppy=2-phenylpyridinato)

H. Krüger, M. Graf, Hans‐Christian Böttcher, 2011 .

Towards the new cyclometalated complex [{Rh(μ-Cl)(ptpy) 2 } 2 ] (ptpy = 2-(p-tolyl)pyridinato)

H. Krüger, B. Salert, M. Graf, 2011 .

Synthesis of the tris-cyclometalated complex fac-[Rh(ptpy)3] and X-ray crystal structure of [Rh(acac)(ptpy)2]

H. Krüger, B. Salert, M. Graf, 2011 .

METAL COMPLEXES OF BIOLOGICALLY IMPORTANT LIGANDS. LXXVIII: SYNTHESIS OF PALLADIUM COMPLEXES OF FERROCENYL-SUBSTITUTED AMINO ACID DERIVATIVES

K. Polborn, W. Beck, C. Robl, 1995 .

2-Pyridylmetallocenes: Part I. Electrophilic halogenation of 2-pyridylferrocene. Molecular structures of 2-pyridylferrocene and its α-brominated and -fluorinated derivatives. Synthesis of 2-pyridylruthenocene and 2-pyridylcymantrene

K. Sünkel, S. Weigand, 2011 .

Synthesis and Characterization of the Complete Series [(C 5 H 5‐n Cl n )Co(C 4 Ph 4 )] (n=1–5)

K. Sünkel, Christian Klein-Hessling, 2021, ChemistrySelect.

Evidence for “Halogen‐Dance” and Ring‐Exchange Reactions in Chloro‐methylthio‐ferrocenes

K. Sünkel, S. Weigand, Tobias Blockhaus, 2020 .

Synthesis and characterization of 1,2,3,4,5-pentafluoroferrocene.

N. Mitzel, Y. Vishnevskiy, K. Sünkel, 2015, Journal of the American Chemical Society.

2-Pyridylmetallocenes: Part 3 [1]. Cyclomercuration of 2-pyridyl-ferrocene and 1-(2-pyridyl)-2-methyl-ferrocene. Molecular structures of [1-(2-C5H4N)-2-(CH3)C5H3]Fe(C5H5), [1-(ClHg)-2-(2-C5H4N)C5H3]Fe(C5H5) and [1-(ClHg)-2-(2-C5H4N)-3-(CH3)C5H2]Fe(C5H5)

K. Sünkel, S. Weigand, 2012 .

2-Pyridylmetallocenes: part 2 [1]. Cyclomercuration of 2-pyridyl-cyrhetrene. Molecular structures of 2-pyridyl-cyrhetrene and 1-chloromercurio-2-(2-pyridyl)-cyrhetrene

K. Sünkel, S. Weigand, 2012 .