Publication List

B. Freitag, J. Pahl, C. Färber, S. Harder, Organometallics 2018, 37, 469-475.

"Synthesis of Heteroleptic Amidinate Strontium Ligands Using a Superbulky Ligand"

DOI: 10.1021/acs.organomet.7b00871

 

H. Bauer, M. Alonso, C. Färber, H. Elsen, J. Pahl, A. Causero, G. Ballmann, F. De Proft, S. Harder, Nat. Catal. 2018, 1, 40-47.

"Imine hydrogenation with simple alkaline earth metal catalysts"

DOI: 10.1038/s41929-017-0006-0

 

H. Bauer, L. Orzechowski, A. Escalona, G. Jansen, S. Harder, Organometallics 2017, 36, 4883-4890.

"Synthesis an d Structure of a Dimeric Iminophosphorane Stabilized Zinc Carbene: (ZnCR2)2 "

DOI: 10.1021/acs.organomet.7b00755

 

M. Wiesinger, B. Maitland, C. Färber, G. Ballmann, C. Fischer, H. Elsen, S. Harder, Angew. Chem. Int Ed. 2017, 56, 16654-16659.

"Simple Access to the Heaviest Alkaline Earth Metal Hydride: A Strongly Reducing Hydrocarbon-Soluble Barium Hydride Cluster"

DOI: 10.1002/anie.201708695

 

T. Vancompernolle, A. Valente, T. Chenal, P. Zinck, I. Del Rosal, L. Maron, M. Taoufik, S. Harder, R. M. Gauvin, Organometallics 2017, 36, 3912-3920.

"Silica-Grafted Lanthanum Benzyl Species: Synthesis, Characterization, and Catalytic Applications"

DOI: 10.1021/acs.organomet.7b00538

 

S. Brand, J. Pahl, H. Elsen, S. Harder, Eur. J. Inorg. Chem. 2017, 36, 4187-4195.

"Frustrated Lewis Pair  chemistry with magnesium Lewis acids"

DOI: 10.1002/ejic.201700787

 

A. Causero, H. Elsen, G. Ballmann, A. Escalona, S. Harder, Chem. Commun. 2017, 53, 10386-10389.

"Calcium stilbene complexes: structures and dual reactivity"

DOI: 10.1039/C7CC05792J

 

B. Maitland, M. Wiesinger, J. Langer, G. Ballmann, J. Pahl, H. Elsen, C. Färber, S. Harder, Angew. Chem. Int. Ed. 2017, 56, 11880-11884.

"A Simple Route to Calcium and Strontium Hydride Clusters"

DOI: 10.1002/anie.201706786

 

B. Freitag, C. A. Fischer, J. Penafiel, G. Ballmann, H. Elsen, C. Färber, D. F. Piesik, S. Harder, Dalton Trans. 2017, 46, 11192-11200.

"Bora-amidinate as cooperative ligand in group 2 metal catalysis"

DOI: 10.1039/C7DT02136D

 

A. Causero, H. Elsen, J. Pahl, S. Harder, Angew. Chem. Int. Ed. 2017, 56, 6906-6910.

"Calcium Hydride Reactivity: Formation of an Anionic N-Heterocyclic Olefin Ligand"

DOI: 10.1002/anie.201703037

 

B. Freitag, H. Elsen, J. Pahl, G. Ballmann, A. Herrera, R. Dorta, S. Harder, Organometallics 2017, 36, 1860-1866.

"s-Block Metal Dibenzoazepinate Complexes: Evidence for Mg-Alkene Encapsulation"

DOI: 10.1021/acs.organomet.7b00200

 

J. Langer, B. Maitland, S. Grams, A. Ciucka, J. Pahl, H. Elsen, S. Harder, Angew. Chem. Int. Ed. 2017, 56, 5021-5025.

"Self-Asslemby of Magnesium Hydride Clusters Driven by Chameleon-Type Ligands"

DOI: 10.1002/anie.201700719

 

H. S. Zijlstra, J. Pahl, J. Penafiel, S. Harder, Dalton Trans. 2017, 46, 3601-3610.

"Masked" Lewis-acidity of an aluminum α-phosphinoamide complex

DOI: 10.1039/c7dt00318h

 

A. Causero, G. Ballmann, J. Pahl, C. Färber, J. Intemann, S. Harder, Dalton Trans. 2017, 46, 1822-1831.

β-Ketiminate calcium hydride complexes: the importance of solvent effects

DOI: 10.1039/c6dt04659b

 

J. Langer, I. Kosygin, R. Puchta, J. Pahl, S. Harder, Chem. Eur. J. 2016, 22, 17425-17235.

A Soft Grip: Magnesium Complexes witha Phosphine-Modified Phosphonium Diylidic Lewis Base

DOI: 10.1002/chem.201603775

 

C. Boulho, H. Zijlstra, A. Hofmann, P. H. M. Budzelaar, S. Harder, Chem. Eur. J. 2016, 22, 17450-17459.

Insight into Oxide-Bridged Heterobimetallic Al/Zr Olefin Polymerization Catalysts

DOI: 10.1002/chem.201602674

 

A. Causero, G. Ballmann, J. Pahl, H. Zijlstra, C. Färber, S. Harder, Organometallics 2016, 35, 3350-3360.

Stabilization of Calcium Hydride Complexes by Fine Tuning of Amidinate Ligands

DOI: 10.1021/acs.organomet.6b00566

 

B. Schmid, S. Friess, A. Herrera, A. Linden, F. W. Heinemann, H. Locke, S. Harder, R. Dorta, Dalton Trans. 2016, 45, 12028-12040.

Chiral amino-phosphine and amido-phosphine complexes of Ir and Mg. Catalytic applications in olefin hydroamination

DOI: 10.1039/C6DT01146B

 

U. Chakraborty, F. Urban, B. Mühldorf, C. Rebreyend, B. de Bruin, N. van Velzen, S. Harder, R. Wolf, Organometallics 2016, 35, 1624-1631.

Accessing the CpArNi(I) Synthon: Reactions with N-Heterocyclic Carbenes, TEMPO, Sulfur, and Selenium

DOI: 10.1021/acs.organomet.6b00084

 

H. Bauer, J. Weismann, D. Saurenz, C. Färber, M. Schär, W. Gidt, I. Schädlich, G. Wolmershäusers, Y. Sun, S. Harder, H. Sitzmann, J. Organomet. Chem. 2016, 809, 63-73.

Chromocene, ferrocene, cobaltocene, and nickelocene derivates with isoproyl and methyl or trimethylsilyl substituents

DOI10.1016/j.jorganchem.2016.02.038

 

H. Gehring, R. Metzinger, B. Braun, C. Herwig, S. Harder, K. Ray, C. Limberg, Dalton Trans. 2016, 45, 2989-2996.

An iron(II) hydride complex of a ligand with two adjecent β-diketiminate binding sites and its reactivity

DOI: 10.1039/c5dt04266f

 

U. Chakraborty, B. Mühldorf, N. J.C. van Velzen, B. de Bruin, S. Harder, R. Wolf, Inorg. Chem. 2016, 55, 3075-3078.

[CpArNi{Ga(nacnac)}]: An Open-Shell Nickel(I) Complex Supported by a Gallium(I) Carbenoid (CpAr = C5(C6H4‐4-Et)5, nacnac = HC[C(Me)N- (C6H3)‐2,6‐iPr2]2)

DOI: 10.1021/acs.inorgchem.5b02979

 

U. Chakraborty, M. Modl, B. Mühldorf, M. Bodensteiner, S. Demeshko, N. J. C. van Velzen, M. Scheer, S. Harder, R. Wolf, Inorg. Chem. 2016, 55, 3065-3074.

Pentaarylcyclopentadienyl Iron, Cobalt, and Nickel Halides

DOI: 10.1021/acs.inorgchem.5b02896

 

T. E. Stennett, J. Pahl, H. S. Zijlstra, F. W. Seidel, S. Harder, Organometallics 2016, 35, 207-217.

A Frustrated Lewis Pair Based on a Cationic Aluminum Complex and Triphenylphosphine

DOI10.1021/acs.organomet.5b00927

 

T. E. Stennett, S. Harder, Chem. Soc. Rev. 2016, 45, 1112-1128.

s-Block amidoboranes: syntheses, structures, reactivity and applications

DOI: 10.1039/c5cs00544b

 

S. Harder, B. Freitag, P. Stegner, J. Pahl, D. Naglav, Z. Anorg. Allg. Chem. 2015, 641, 2129–2134.

Strontium Chemistry with Silicone Grease

DOI: 10.1002/zaac.201500570

 

H. S. Zijlstra, M. C. A. Stuart, S. Harder,Macromolecules, 2015, 48, 5116–5119.

Structural Investigation of Methylalumoxane Using Transmission Electron Microscopy

DOI: 10.1021/acs.macromol.5b00803

 

R. Geitner, I. Kosygin, H. Görls, J. Pahl, S. Harder, M. Westerhausen, J. Langer, J. Coord. Chem., 2015, 68, 3302-3316.

An unsymmetrical phosphonium diylide with a fluorenylidene subunit and its lithium complexes

DOI: 10.1080/00958972.2015.1072625

 

J. Intemann, H. Bauer, J. Pahl, L. Maron, S. Harder, Chem. Eur. J. 201521, 1452-1461. (HOT PAPER)

Calcium Hydride Catalyzed Highly 1,2-Selective Pyridine Hydrosilylation

DOI: 10.1002/chem.201501072

 

C. Boulho, H. Zijlstra, S. Harder, Eur. J. Inorg. Chem. 2015, 2132-2138.

Oxide-Bridged Heterobimetallic Aluminum/Zirconium Catalysts for Ethylene Polymerization

DOI: 10.1002/ejic.201500123

 

H. Zijlstra, S. Harder, Eur. J. Inorg. Chem. 2015, 19-43. (invited Review)

Methylalumoxane - History, Production, Properties, and Applications

DOI: 10.1002/ejic.201590000

 

J. Penafiel, L. Maron, S. Harder, Angew. Chem., Int. Ed. 201554, 201-206.

Early Main Group Metal Catalysis: How Important is the Metal?

DOI: 10.1002/anie.201408814

S. Harder,* J. Spielmann, J. Intemann Dalton Trans. 201443, 14284-14290.

Synthesis and thermal decomposition of a pyridylene-bridged bis-β-diketiminate magnesium hydride cluster

DOI: 10.1039/C4DT00835A

 

J. Intemann, P. Sirsch, S. Harder* Chem. Eur. J. 201420, 11204-11213.

Comparison of Hydrogen Elimination from Molecular Zinc and Magnesium Hydride Clusters

DOI: 10.1002/chem.201402141

 

J. Intemann, M. Lutz, S. Harder* Organometallics 201433, 5722-5729.

Multinuclear Magnesium Hydride Clusters: Selective Reduction and Catalytic Hydroboration of Pyridines

DOI: 10.1021/om500469h

 

S. Harder,* D. Naglav, P. Schwerdtfeger, I. Nowik, R.H. Herber* Inorg. Chem. 2014, 53, 2188 – 2194.

Metal Atom Dynamics in Superbulky Metallocenes: A Comparison of (CpBIG)2Sn and (CpBIG)2Eu

DOI: 10.1021/ic4028546

 

S. Harder,* D. Naglav, C. Ruspic, C. Wickleder, M. Adlung, W. Hermes, M. Eul, R. Pöttgen, D. B. Rego, F. Poineau, K. R. Czerwinski, R. H. Herber, I. Nowik Chem. Eur. J. 2013, 19, 12272 – 12280.

Physical Properties of Superbulky Lanthanide Metallocenes: Synthesis and Extraordinary Luminescence of [EuII(CpBIG)2] (CpBIG=(4-nBu-C6H4)5-Cyclopentadienyl)

DOI: 10.1002/chem.201302021

 

J. Intemann, J. Spielmann, P. Sirsch,* S. Harder* Chem. Eur. J. 2013, 8478-8489.

Well-Defined Molecular Magnesium Hydride Clusters: Relationship between Size and Hydrogen Elimination Temperature

DOI: 10.1002/chem.201300684

 

H. Gehring, R. Metzinger, C. Herwig, J. Intemann, S. Harder, C. Limberg*, Chem. Eur. J.  2013, 19, 1629-1636.

Hydride Reactivity of NiII-X-NiII Entities: Mixed-Valent Hydrido Complexes and Reversible Metal Reduction

DOI: 10.1002/chem.201203201

 

D. Naglav, B. Tobey, S. Harder, A. Schnepf*, Z. Anorg. Allg. Chemie 2013, 639, 354-359.

GeCpbig2 [Cpbig = C5(CH2C6H4-iPr) 5]: A Flexible Sandwich Molecule

DOI: 10.1002/zaac.201200242

 

S. Perdriau, S. Harder*, H. J. Heeres*, J. G. De Vries*, ChemSusChem 2012, 5, 2427- 2434

Selective Conversion of Polyenes to Monoenes by RuCl3-Catalyzed Transfer Hydrogenation: The Case of Cashew Nutshell Liquid

DOI: 10.1002/cssc.201200503

 

S. Harder* Chem. Comm.  2012, 48, 11165-11177. (Invited Review – For issue: Frontiers in Molecular Main Group Chemistry)

Molecular early main group metal hydrides: synthetic challenge, structures and applications

DOI: 10.1039/C2CC33478J

 

S. Harder*, J. Spielmann, B. Tobey, Chem. Eur. J. 2012, 18, 1984-.

Calcium Amidoborane Ammine Complexes: Thermal Decomposition of Model Systems

DOI: 10.1002/chem.201102029

 

J. J. M. Lenders, A. Dey, P. H. H. Bomans, J. Spielmann, M. M. R. M.  Hendrix, G. de With, F. C. Meldrum, S. Harder*, N. A. J. M. Sommerdijk* J. Am. Chem. Soc. 2012,

High-Magnesium Calcite Mesocrystals: A Coordination Chemistry Approach

DOI: 10.1021/ja210791p

 

S. Harder*, J. Spielmann J. Organomet. Chem.  2012, 698, 7-14.

Calcium-mediated hydroboration of alkenes: "Trojan horse" or "true" catalysis?

DOI: 10.1016/j.jorganchem.2011.09.025

 

S. Harder*, J. Spielmann Chem. Comm. 2011, 47, 11945-11947.

Unprecendented reactivity of an aluminium hydride complex with ArNH2BH3: nucleophilic substitution versus deprotonation

DOI: 10.1039/c1cc14689k

 

S. Harder, Angew. Chem. 2011, 123, 8126; Angew. Chem. Int. Ed. Engl. 2011, 50, 7978.

Author profile – Sjoerd Harder

DOI: 10.1002/anie.201103731

 

S. Harder*, J. Spielmann, J. Intemann, H. Bandmann Angew. Chem. 2011, 123, 4242-4246; Angew. Chem. Int. Ed. Engl. 2011, 50, 4156-4160. (VIP)

Hydrogen Storage in Magnesium Hydride: The Molecular Approach

DOI: 10.1002/anie.201101153

 

J. Spielmann, S. Harder*, Dalton Trans. 2011, 40, 8314-8319.

Binuclear Magnesium Amidoborane Complexes: Characterization of a Trinuclear Thermal Decomposition Product

DOI: 10.1039/c1dt10694e

 

S. Harder*, Chem. Coord. Rev. 2011, 255, 1252-1267. (Invited Review)

Geminal Dianions Stabilized by Phosphonium Substituents

DOI: 10.1016/j.ccr.2010.11.021

 

S. Schulz*, S. Gondzik, D. Schuchmann, U. Westphal, L. Dobrzycki, R. Boese, S. Harder, Chem. Comm. 2010, 46, 7757-7759.

Reactions of Dizincocene with Sterically Demanding Bis(imino(di(phenyl)phosporano)methanes

DOI: 10.1039/c0cc02859b

 

S. Harder*, Chem. Rev. 2010, 110, 3852-3876. (Invited Review)

From Limestone to Catalysis: Application of Calcium Compounds as Homogeneous Catalysts

DOI: 10.1021/cr9003659

 

Z. Anorg. Allg. Chemie 2010, 636, 2205-2211. (Invited Review)

Benzyllanthanide Chemistry: Revival of Manzer's ortho-Me2N-Benzyl Ligand

DOI: 10.1002/zaac.201000189

 

D. Kuchenbecker, G. Jansen*, S. Harder* Z. Anorg. Allg. Chemie 2010, 636, 2257-2261.     

Insight in Structures of Superbulky Metallocenes with the CpBIG Ligand: Theoretical Considerations of Deca-Phenyl Metallocenes

DOI: 10.1002/zaac.201000192

 

J. Spielmann, D. F.-J. Piesik,  S. Harder*, Chem. Eur. J. 2010, 16, 8307-8318.

Thermal Decomposition of Mono- and Bimetallic Magnesium Amidoborane Complexes

DOI: 10.1002/chem.201000028

 

S. Harder*, Dalton Trans. 2010, 39, 6677-6681.

Synthesis and Structures of Bora-Amidinate Lanthanide(III) Complexes

DOI: 10.1039/C001966F

 

S. Harder*, D. Naglav Eur. J. Inorg. Chem. 2010, 2836-2840.

Bora-Amidinate Complexes of Lanthanide(II) Metals

DOI: 10.1002/ejic.201000094

S. Harder*, Organometallics 2005, 24, 373-379

Syntheses and Structures of Homoleptic Lanthanide Complexes with Chelating o-Dimethylaminobenzyl Ligands: Key Precursors in Lanthanide Chemistry

DOI: 10.1021/om049327p

 

C. Ruspic, S. Harder*, Organometallics 2005, 24, 5506-5508

Synthesis and Structure of an Arylcalcium Compound with an Unusual Calcium Tetrahedron Containing an Encapsulated Oxide

DOI: 10.1021/om050760o

 

F. Feil, S. Harder*, European Journal of Inorganic Chemistry 2005, 4438-4443

Guanidinate Complexes of Heavier Alkaline-Earth Metals (Ca, Sr): Syntheses, Structures, Styrene Polymerization and Unexpected Reaction Behaviour

DOI: 10.1002/ejic.200500514

 

F. Buch, J. Brettar, S. Harder*, Angewandte Chemie 2006, 118, 2807-2811; 

Angewandte ChemieInt. Ed. Engl. 2006, 45, 2741-2745

Hydrosilylation of Alkenes with early Main Group Metal Catalysts

DOI: 10.1002/anie.200504164

 

S. Harder* , J. Brettar, Angewandte Chemie 2006, 118, 3554-3558;

Angewandte Chemie Int. Ed. Engl. 2006, 45, 3474-3478

Rational Design of a Well-Defined Soluble Calcium Hydride Complex (VIP)

DOI: 10.1002/anie.200601013

 

*Article highlighted in: Stabilizing Ca-H

Editor's choice Science 2006, 312, 816-817

 

L. Orzechowski, G. Jansen, S. Harder*, Journal of the American Chemical Society 2006, 128, 14676-14684

Synthesis, Structure, and Reactivity of a Stabilized Calcium Carbene: R2CCa

DOI: 10.1021/ja065000z

 

C. Ruspic, S. Nembenna, A. Hofmeister, J. Magull, S. Harder*, H.W. Roesky*,

Journal of the American Chemical Society 2006, 128, 15000-15004

A Well-Defined Hydrocarbon-Soluble Calcium Hydroxide: Synthesis, Structure, and Reactivity

DOI:10.1021/ja065631t

 

L. Orzechowski, S. Harder*, Organometallics 2007, 26, 2144-2148

Isolation of an Intermediate in the Catalytic Trimerization of Isocyanates by a Monomeric Calcium Carbene with Chelating Iminophosphorane Substituents

DOI: 10.1021/om070023n

 

C. Ruspic, J. Spielmann, S. Harder*, Inorganic Chemistry 2007, 46, 5320-5326

Syntheses and Structures of Ytterbium(II) Hydride and Hydroxide Complexes: Similarities and Differences with their Calcium Analogues

DOI: 10.1021/ic700403d

 

F. Buch, S. Harder*, Organometallics 2007, 26, 5132-5135

Azametallacyclopropane Ca(h2-Ph2CNPh)(hmpa)3: a Calcium-Alternative to a Versatile Ytterbium(II) Catalyst

DOI: 10.1021/om700626s

 

L. Orzechowski, S. Harder*, Organometallics 2007, 26, 5501-5506

Syntheses. Structures and Reactivity of Barium Carbene Complexes with Chelating Bis-Iminophosporano Arms

DOI: 10.1021/om700640c

 

D. F.-J. Piesik, K. Häbe, S. Harder*,  European Journal Inorganic Chemistry  2007, 5652-5661

Ca-Mediated Styrene Polymerization: Tacticity Control by Ligand Design

DOI: 10.1002/ejic.200700802

 

J. Spielmann, S. Harder*, Chemistry European Journal 2007, 13, 8928-8938

Hydrocarbon-Soluble Calcium Hydride: A "Worker-Bee" in Calcium Chemistry

DOI: 10.1002/chem.200701028

 

C. Ruspic, S. Harder*, Inorganic Chemistry 2007, 46, 10426-10433

A Big Ligand for Stabilization of Small Functionalities in Calcium Chemistry

DOI: 10.1021/ic701479r

 

F. Buch, S. Harder*, Zeitschrift für Naturforschung  2008, 62b, 169-177.

A Study on Chiral Organocalcium Complexes: Attempts in Enantioselective Catalytic Hydrosilylation and Intramolecular Hydroamination of Alkenes

www.znaturforsch.com/rb/s63b0169.pdf

 

S. Harder*, C. Ruspic, N. Ní Bhriain, F. Berkermann, M. Schürmann, Zeitschrift für Naturforschung 2008, 62b, 267-274

Benzyl Complexes of Lanthanide(II) and Lanthanide(III) Metals: Trends and Comparisons

www.znaturforsch.com/rb/s63b0267.pdf

 

J. Spielmann, S. Harder*, European  Journal of Inorganic Chemistry  2008, 1480-1486

Reduction of Ketones with Hydrocarbon-Soluble Calcium Hydride: Stoichiometric Reactions and Catalytic Hydrosilylation

DOI: 10.1002/ejic.200701255

 

C. Ruspic, J. R. Moss, M. Schürmann, S. Harder*, Angewandte Chemie 2008, 120, 2151-2156; Angewandte Chemie Int. Ed. Engl. 2008, 47, 2121-2126

Remarkable Stability of Metallocenes with Superbulky Ligands: Spontaneous Reduction of SmIII to SmII  (VIP)

DOI: 10.1002/anie.200705001

 

*Article highlighted in: Superbulky Ligands and Trapped Electrons: New Perspectives in Divalent Lanthanide Chemistry

G. Meyer Angew. Chem. 2008, 120, 5050-5042; Angew. Chem. Int. Ed. Engl. 2008, 47, 4962-4964

 

S. Range, D. F.-J. Piesik and S. Harder*, European  Journal of Inorganic Chemistry  2008, 3442-3451

Binuclear Magnesium, Calcium and Zinc Complexes Based on Bis(salicylaldimine) Ligands with Rigid Bridges

DOI: 10.1002/ejic.200800308

 

J. Spielmann, G. Jansen, H. Bandmann, S. Harder*, Angewandte Chemie 2008,   120, 6386-6391; Angewandte Chemie Int. Ed. Engl. 2008, 47, 6290-6295

Calcium Amidoborane Hydrogen Storage Materials: Crystal Structures of Decomposition Products (HOT PAPER)

DOI: 10.1002/ange.200802037

 

L. Orzechowski, D. F.-J. Piesik, C. Ruspic, S. Harder*,Dalton Transactions 2008, 4742-4746

Superbulky Metallocene Complexes of the Heavier Alkaline-Earth Metals Strontium and Barium

DOI: 10.1039/B809872G

 

D. F.-J. Piesik, S. Range, S. Harder*, Organometallics 2008, 27, 6178-6187

Bimetallic Calcium and Zinc Complexes with Bridged b-Diketiminate Ligands: Investigations on Epoxide/CO2 Copolymerization

DOI: 10.1021/om800597f

 

J. Spielmann, F. Buch, S. Harder*, Angewandte Chemie 2008, 120, 9576-9580;

Angewandte Chemie Int. Ed. Engl. 2008, 47, 9434-9438.

Early Main Group Metal Catalysts for the Hydrogenation of Alkenes with H2 (Very Important Paper – VIP)

DOI: 10.1002/anie.200804657

 

S. Harder*, C. Ruspic, Journal of Organometallic Chemistry 2009, 694, 1180-1184

Insight in cyclopentadienyl metal complexes with superbulky ligands: the crystal structure of [CpBIGK]¥

DOI: 10.1016/j.jorganchem.2008.09.073

 

L. Orzechowski, G. Jansen, M. Lutz, S. Harder*, Dalton Transactions 2009, 2985-2964

Calcium Carbene Complexes with Boranophosphorano Side-Arms: CaC[P(Ph)2BH3]2

DOI: 10.1039/B823224E

 

R. Gauvin*, F. Buch, L. Delevoye, S. Harder*, Chemistry European Journal 2009, 15, 4382-4393

Well-Defined Silica-Supported Calcium Reagents: Control of Schlenk Equilibrium by Grafting

DOI: 10.1002/chem.200802512

 

L. Orzechowski, G. Jansen, S. Harder*Angewandte Chemie 2009, 121, 3883-3887;

Angewandte ChemieInt. Ed. Engl. 2009, 48, 3825-3829

Methandiide Complexes (R2CM2) of the Heavier Alkali Metals (M = K, Rb, Cs): Reaching the Limit?

DOI: 10.1002/anie.200900830

 

*Article highlighted in: Organometallic Compounds of the Heavier s-BlockElements—What Next?

J. D. Smith Angew. Chem. 2009, 121, 6721-6723; Angew. Chem. Int. Ed. Engl. 2009, 48, 6597-6599

 

J. Spielmann, S. Harder*, Journal of the American Chemical Society 2009, 131, 5064-5065

Hydrogen Elimination in Bulky Calcium Amidoborane Complexes: Isolation of a Calcium Borylamide Complex

DOI: 10.1021/ja901073c

 

J. Spielmann, D. F.-J. Piesik, B. Wittkamp, G. Jansen, S. Harder*, Chemical Communications 2009, 3455-3456

Convenient Synthesis and Crystal Structure of a Monomeric Zinc Hydride Complex with a Three-Coordinate Metal Center

DOI: 10.1039/B906319F

 

D. F.-J. Piesik, R. Stadler, S. Range, S. Harder*, European Journal of Inorganic Chemistry 2009, 3569-3576

Binuclear Magnesium, Calcium, and Zinc Complexes Based on Nitrogen-Nitrogen-Coupled Salicylaldiminate and b-Diketiminate Ligands

DOI: 10.1002/ejic.200900435

 

D. F.-J. Piesik, P. Haack, S. Harder*, C. Limberg, Inorganic Chemistry 2009, 3569-3576

Peculiar Binding Modes of a Ligand with Two Adjacent β-Diiminato Binding Sites in Alkali and Alkaline-Earth Metal Chemistry

DOI: 10.1021/ic9017536

 

S. Schulz*, T. Eisenmann, D. Schuchmann, M. Bolte, M. Kirchner, R. Boese, J. Spielmann, S. Harder, Zeitschrift für Naturforschung 2009, 64b, 1397-1400

Solid State and Solution Studies on a b-Diketiminate Zinc Hydride Complex

http://www.znaturforsch.com/ab/v64b/c64b.htm#No11

 

J. Spielmann, M. Bolte, S. Harder*,Chemical Communications 2009, 6934-6936

Synthesis and Structure of a Magnesium–Amidoborane Complex and its Role in Catalytic Formation of a New Bis-Aminoborane Ligand

DOI: 10.1039/B914979A

A. Weeber, S. Harder and H.-H. Brintzinger, K. Knoll, Organometallics 2000, 19, 1325-1332
Homoleptic and Heteroleptic Barium Benzyl Complexes: Synthesis and Reactivity as Initiators for Anionic Styrene Polymerizations
DOI: 
10.1021/om990705d

 

F. Feil, S. Harder, Organometallics 2000, 19, 5010-5015
a,a-Bis(trimethylsilyl)-Substituted Benzyl Complexes of Potassium and Calcium
DOI: 
10.1021/om0006209

 

S. Harder, F. Feil, A. Weeber, Organometallics 2001, 20, 1044-1046
Structure of a Benzylcalcium Diastereomer: an Initiator for the Anionic Polymerization of Styrene 
DOI:
10.1021/om000945p

 

F. Feil, S. Harder, Organometallics 2001, 20, 4616-4622
Benzyl Complexes of the Heavier Alkaline-Earth Metals: the First Crystal Structure of a Dibenzylstrontium Complex
DOI: 
10.1021/om010444j

 

S. Harder, F. Feil, K. Knoll, Angewandte Chemie 2001, 113, 4391-4394; Angewandte ChemieInt. Ed. Engl., 2001, 40, 4261-4264
Novel Calcium Half-Sandwich Complexes for the Living and Stereoselective Polymerization of Styrene
DOI:
 10.1002/1521-3773(20011119)40:22<4261::AID-ANIE4261>3.0.CO;2-J

 

S. Harder, F. Feil, T. Repo, Chemistry: European Journal 2002,8, 1991-1999
"Alkaline-Earth Metals in a Box" Structures of Solvent-Separated Ion-Pairs
DOI:
10.1002/1521-3765(20020503)8:9<1991::AID-CHEM1991>3.0.CO;2-9

 

S. Harder, F. Feil, Organometallics 2002, 21, 2268-2274
Dimeric Benzylcalcium Complexes: Influence of THF in Stereoselective Styrene Polymerization
DOI: 
10.1021/om020092w

 

S. Harder, Chemistry: European Journal 2002,8, 3229-3232
Schlenk’s Early "Free" Carbanions
DOI:
 10.1002/1521-3765(20020715)8:14<3229::AID-CHEM3229>3.0.CO;2-3

 

S. Harder, Organometallics 2002, 21, 3782-3787
Homoleptic b-Diketiminato Complexes of the Alkaline-Earth Metals: Trends in the Series Mg, Ca, Sr and Ba
DOI: 10.1021/om0202827

 

S. Harder, F. Feil, Polymeric Materials, Science and Engineering 2002, 87, 53
Living Alkene Polymerization
ISSN:
1550-6703

 

F. Feil, S. Harder, Macromolecules 2003, 36, 3446-3448
New Stereochemical Assignments of 13C NMR Signals for Predominantly Syndiotactic Polystyrene
DOI:
n/a

 

F. Feil, C. Müller, S. Harder, Journal of Organometallic Chemistry 2003, 683, 56-63, (invited publication for the special issue on "Advances in Allyl and Benzyl Organometallic Chemistry")
a-Methyl-Benzylcalcium Complexes: Syntheses, Structures and Reactivity
DOI:
10.1016/S0022-328X(03)00405-4

 

F. Feil, S. Harder, European Journal of Inorganic Chemistry 2003, 3401-3408 (invited publication in memory of Ron Snaith)      
Hypersilyl-substituted Complexes of Group 1 and 2 Metals: Syntheses, Structures and Use in Styrene Polymerisation
DOI: 10.1002/ejic.200300149

 

S. Harder, Angewandte Chemie 2003, 115, 3553-3556; Angewandte Chemie Int. Ed. Engl. 2003, 42, 3430-3434
Intramolecular C-H Activation in Alkaline-Earth Metal Complexes
DOI:
10.1002/anie.200351055

 

S. Harder, S. Müller, E. Hübner,  Organometallics 2004, 23, 178-183
Syntheses and Crystal Structures of Simple Dibenzylcalcium Complexes: Useful Reagents in the Preparation of Calcium Compounds
DOI: 
10.1021/om0341350

 

S. Harder, R. Meijboom, J.R. Moss, Journal of Organometallic Chemistry 2004, 689, 1095-1101
Selective Lithiation and Crystal Structures of G1-Carbosilane Dendrimers with 1,3-Dimethoxybenzene Functionalities
DOI:
10.1016/j.jorganchem.2003.12.047

 

S. Harder, Angewandte Chemie 2004, 116, 2768-2773; Angewandte Chemie Int. Ed. Engl. 2004, 43, 2714-2718
The Chemistry of CaII and YbII: Astoundingly Similar But Not Equal
DOI:
 10.1002/anie.200353557

S. Harder, M. Lutz, A. Streitwieser, Journal of the American Chemical Society 1995, 117, 2361-2362
Crystal Structure of Trilithiated Dimethylphenol
DOI:
10.1021/ja00113a030

 

S. Harder, A. Streitwieser, J.T. Petty, P. v. R. Schleyer, Journal of the American Chemical Society 1995, 117, 3253-3259
Ion Pair SN2 Reactions: Theoretical Study of Inversion and Retention Mechanisms
DOI: 
10.1021/ja00116a029

S. Harder,  M.Lutz, T. Kremer, Organometallics, 1995, 14, 2133-2135
Crystal Structure of a Carbanion-Amide Combination with Lithium and Sodium Cations
DOI:
10.1021/om00005a003

 

S. Harder, M.H. Prosenc, U. Rief, Organometallics, 1996, 15, 118-124
Syntheses and Structures of Anionic Sodocene Sandwiches
DOI:
10.1021/om950571d

 

S. Harder, M.H. Prosenc, Angewandte Chemie 1996, 108, 101-103; Angewandte Chemie Int. Ed. Engl. 1996, 35, 97-99.
The Heaviest Alkali Metallocene: Structure of an Anionic Cesocene Triple-Decker
DOI: 10.1002/anie.199600971

*Article highlighted in: Schiefer Sandwich mit Caesiumatomen
Frankfurter Allgemeine Zeitung: Natur & Wissenschaft – 24.01.1996

 

T. Kremer, S. Harder, M. Junge, P. v. R. Schleyer, Organometallics, 1996, 15, 585-595
Mixed Aggregates of Alkali Metal Compounds: Structure and Stability of"Superbase" Models
DOI: 
10.1021/om950720s

 

G. Müller, M. Lutz, S. Harder, Acta Crystallographica B  1996, B52, 1014-1022
Methyl Group Conformation-Determining Intermolecular C-H···O Hydrogen Bonds: Structure of N-Methyl-2-pyrrolidone
DOI: 10.1107/S0108768196008300

 

S. Harder, M. Lutz, A.W.G. Straub, Organometallics 1997, 16, 107-113
Silicon-Bridged Alkali-Metal and Alkaline-Earth-Metal Metallocene Complexes
DOI: 
10.1021/om960587j

 

S. Harder, M. Lutz, Organometallics 1997, 16, 225-230
The Phosphonium Dibenzylide Anion as a Ligand in Organobarium Chemistry
DOI: 
10.1021/om9605443

 

S. Harder, Angewandte Chemie 1998, 110, 1357-1359; Angewandte Chemie Int. Ed. Engl. 1998, 37, 1239-1241
[Cp3Ba], the First Structurally Known Barate Complex
DOI:
 10.1002/(SICI)1521-3773(19980518)37:9<1239::AID-ANIE1239>3.0.CO;2-Y

 

S. Harder, Coordination Chemistry Reviews 1998, 176, 17-66, Invited Review:
Recent Developments in Cyclopentadienyl-Alkalimetal Chemistry
(Due to internal problems at Elsevier Science Publications the original article was published with errors. The subsequently printed error-free original article can be obtained free of charge from the author; see also erratum in Coordination Chemistry Reviews 2000, 199, 331-334)
DOI: 10.1016/S0010-8545(98)00113-1

 

S. Harder, Chemistry:  European Journal 1999,5, 1852-1860
Can C-H···C(p) Bonding Be Classified as Hydrogen Bonding? A Systematic Investigation of C-H···C(p) Bonding to Cyclopentadienyl Anions
DOI:
 10.1002/(SICI)1521-3765(19990604)5:6<1852::AID-CHEM1852>3.0.CO;2-I

 

S. Harder, M. Lutz, S.J. Obert, Organometallics 1999, 18, 1808-1810
Crystal Structure of a Silicon-Bridged Anionic Sodocene Complex: Evidence for Alkene-Na+ p-Bonding
DOI: 
10.1021/om980919f

S. Harder, J. Boersma, Brandsma*, J.A. Kanters, A.J.M. Duisenberg, J.H. van Lenthe, L. Organometallics 1990, 9, 511-516
Isolation and Crystal Structure of a Presumed Intermediate in the Reaction of an Organolithium Compound with an Epoxide
DOI: 10.1021/om00116a032

 

R. den Besten, S. Harder, L. Brandsma*, Journal of Organometallic Chemistry, 1990, 385, 153-159
A Method for the Determination of the Degree of Association of Organolithium Compounds in Liquid Ammonia
DOI:
10.1016/0022-328X(90)87280-Q

 

S. Harder, L. Brandsma, J.A. Kanters, A.J.M. Duisenberg, J.H. van Lenthe, Journal of Organometallic Chemistry 1991, 420, 143-154
The Structure of 2-(Diphenylphosphino)phenyllithium: the Significance of P-Li Bonding
DOI:
10.1016/0022-328X(91)80257-K

                           

R. Nijs, H.D. Verkruijsse, S. Harder, A.C.H.T.M. van der Kerk, L. Brandsma*, Synthetic Communications 1991, 21, 653-656
A Peculiar Reaction of Aminoallenes with Aromatic and Heteroaromatic Aldehydes
DOI: 10.1080/00397919108020832

 

S. Harder, J. Boersma, L. Brandsma*, J.A. Kanters, A.J.M. Duisenberg, J.H. van Lenthe, Organometallics 1991, 10, 1623-1627
Crystal Structure of Trimeric (2,6-Di-tert-butoxyphenyl)lithium
DOI:
10.1021/om00051a064

 

S. Harder*, P.F. Ekhart, L. Brandsma, J.A. Kanters, A.J.M. Duisenberg, P. v. R. Schleyer, Organometallics 1992, 11, 2623-2627
Crystal Structure of [2-(Dimethylamino)-6-(tert-butoxy)phenyl]lithium
DOI:
10.1021/om00043a053

 

R.W. Gedridge*, L. Brandsma*, Jr., R.A. Nissan, H.D. Verkruijsse, S. Harder, R.L.P. de Jong, C.J. O´Connor, Organometallics 1992, 11, 418-422
Preparation of Symmetrical Di-1-alkynyl Tellurides and Diynes by Reduction of TeCl4 with 1-Alkynyllithium Reagents
DOI:
10.1021/om00037a067


R.E. Dixon, A. Streitwieser*, K.E. Laidig, R.W.F. Bader*, S. Harder, Journal of Physical Chemistry 1993, 97, 3728-3736
Reaction of Lithium Amide with Methane. An Ab Initio and Atoms in Molecules Study
DOI: 
10.1021/j100117a017

 

S. Harder, A. Streitwieser*, Angewandte Chemie 1993, 105, 1108-1110; Angewandte Chemie Int. Ed. Engl. 1993, 32, 1066-1068
First Structure of  a Mixed Organosodium/Lithium Alkoxide Compound: Model for a Superbase.
DOI:
 10.1002/anie.199310661

 

S. Harder, J. H. van Lenthe, N.J.R. van Eikema Hommes, P. von R. Schleyer*Journal of the American Chemical Society, 1994, 116, 2508-2514
Nucleophilic Ring Opening of Epoxides by Organolithium Compounds: Ab Initio Mechanisms
DOI:
10.1021/ja00085a035

 

S. Harder*, M.H. Prosenc, Angewandte Chemie 1994, 106, 1830-1832; Angewandte Chemie Int. Ed. Engl. 1994, 33, 1744-1746
The Simplest Metallocene Sandwich: The Lithocene Anion
DOI:
 10.1002/anie.199417441

Article highlighted in: The Lithocene Anion and Open Calcocene – New Encouragements in the Chemistry of Alkali and Alakaline Earth Metallocenes
D. Stalke Angew. Chem. 2009, 106, 2256-2259; Angew. Chem. Int. Ed. Engl. 2009, 33, 2168-2171

 

S. Harder*, M. Lutz, Organometallics, 1994, 13, 5173-5176
Lithiation of N,N,N´,N´-Tetramethylethylenediamine and the Structure in a Mixed Organolithium Aggregate
DOI: 10.1021/om00024a072

J.A. Kanters, S. Harder, N.S. Poonia, Acta Crystallographica 1987, C43, 1042-1045
Coordination Chemistry of Alkali and Alkaline Earth Cations: the Structure of Bis(3,5,-dinitrobenzoato)(tetraethyleneglycol)strontium (II) Monohydrate
DOI:
10.1107/S0108270187093089

 

S. Harder, L. Brandsma, J.A. Kanters, A.J.M. Duisenberg, Acta Crystallographica 1987, C43, 1535-1537
Structure of Bis[tert-butyl (2-Lithiophenyl) Sulfide] [N, N, N´, N´-Tetramethylethylenediamine]
DOI:
10.1107/S0108270187091182

 

G.P.M. van Mier, J.A. Kanters, S. Harder, Acta Crystallographica 1987, C43, 2327-2330
A Tetrahedrally Surrounded Nickel(II) Complex: The Structure of Dichloro[2-(diphenylphosphino)-N,N-dimethylbenzylamine-N,P]nickel(II)
DOI:
10.1107/S0108270187087882

 

W. de Graaf, S. Harder, J. Boersma*, G. van Koten, J.A. Kanters, Journal of Organometallic Chemistry, 1988, 358, 545-562
Organopalladium Complexes with Bidentate Phosphorus and Nitrogen Containing Ligands
DOI:
10.1016/0022-328X(88)87102-X

 

W. Bauer, P.A.A. Klusener, S. Harder, J.A. Kanters, A.J.M. Duisenberg , L. Brandsma, P. v. R. Schleyer*, Organometallics, 1988, 7, 552-555.
Structure of 2-Lithiophenyl tert-Butyl Thioether in Solution and in the Solid State. Detection of Agostic Li-H Interactions by NMR Spectroscopy
DOI:
10.1021/om00092a050

 

S. Harder, J. Boersma, L. Brandsma*, J.A. Kanters, Journal of Organometallic Chemistry 1988, 339, 7-15
Crystal Structure of [1-Lithio-2-Methoxybenzene]8.TMEDA
DOI
: 10.1016/0022-328X(88)80519-9

 

S. Harder, J. Boersma, L. Brandsma*, A. van Heteren J.A. Kanters, W. Bauer, P. v. R. Schleyer* , Journal of the American Chemical Society 1988, 110, 7802-7806
Planar Tetracoordinate Carbon Atoms Hidden in the Tetrameric Aggregate of (2,6-Dimethoxyphenyl)lithium
DOI:
10.1021/ja00231a035

 

S. Harder, J. Boersma*, L. Brandsma, G.P.M. van Mier, J.A. Kanters, Journal of Organometallic Chemistry, 1989, 364, 1-15
The Molecular Structure of 1-Lithio-2-methoxybenzene in the Solid State and in Solution
DOI:
10.1016/0022-328X(89)85326-4

 

S. Harder*, J. Boersma, J.A. Kanters, L. Brandsma, W. Bauer, R. Pi, P. v. R. Schleyer, H. Schöllhorn, U. Thewalt, Organometallics 1989, 8,1688-1696
Structure of 2-Lithiobenzofuran-TMEDA and 2-Lithiobenzothiophene-TMEDA in the Solid State and in Solution
DOI: 
10.1021/om00109a018

S. Harder*, J. Boersma, L. Brandsma, J.A. Kanters, W. Bauer, P. v. R. Schleyer, Organometallics, 1989, 8, 1696-1700
Crystal Structure of [2,6-Bis(dimethylamino)phenyl]lithium: The First Trimeric Organolithium Compound
DOI:
10.1021/om00109a019