Current Work

[Results from the ERC project pCx4All are marked with *]


(66)*  S. J. Kohl+, L . M. Sigmund+, M. Schmitt, L. Greb

         Nitrogen Monoxide and Calix[4]pyrrolato Aluminate: Structural Constraint Enabled NO Dimerization.

         Chem. Sci. 2024, Accepted Manuscript.

Cxal No Toc

+:These authors contributed equally to this work.

(65)*  H. Ruppert, T. Schreyer, M. C. Dietl, M. Rudolph, A. S. K. Hashmi, L. Greb

         Dynamic Coordination Behavior of a Structurally Constrained, Nucleophilic Sn(II) Towards Gold(I).

         Z. anorg. allg. Chem. 2024, e202400081.

Toc Sncx Gold

(64)   T. Thorwart, L. Greb

         Structural Flexibility is a Decisive Factor in FLP Dihydrogen Cleavage with Tetrahedral Lewis Acids: A Silane Case Study.

         Chem. Eur. J. 2024, e202401912.

Thorwart Chem Eur J 2024

(63)*  H. Ruppert, A. Meister, P. Janßen, L. Greb

         Conformational and Substitution Effects on the Donor and Reducing Strength of Tin(II) Porphyrinogens.

         Chem. Eur. J. 2024, e202401685.

Toc Ruppert 2024 Chem Eur J

(62)*  R. Yadav+, A. Maiti+, M. Schorpp, J. Graf, F. Weigend, L. Greb

         Supramolecular trapping of a cationic all-metal σ-aromatic {Bi4} ring.

         Nat. Chem. 2024, accepted article.

Yadav Maiti Nat Chem 2024

+:These authors contributed equally to this work.

(61)*  H. Ruppert, A. Meister, R. Pfretzschner, A. F. Vieira, L. Greb

         Concatenating Structural Constraint Effects at Tin for the Sequential Generation, Stabilization, and Transfer of Acyclic Aminocarbenes.

         J. Am. Chem. Soc. 2024, 146, 16, 11515 - 11522.

Ruppert Jacs 2024

(60)   P. Erdmann, M. Schmitt, L. M. Sigmund, F. Krämer, F. Breher, L. Greb

         How to Deal with Charge in the Ranking of Lewis Acidity: Critical Evaluation of an Extensive Set of Cationic Lewis Acids.

         Angew. Chem. Int. Ed. 2024, 63, e202403356.

Erdmann Acie2024

(59)   L. M. Sigmund, S. Sowndarya S. V., A. Albers, P. Erdmann, R. S. Paton, L. Greb

         Predicting Lewis Acidity: Machine-Learning the Fluoride Ion Affinity of p-Block-Atom-based Molecules.

         Angew. Chem. Int. Ed. 2024, 63, e202401084.

         [Web application]    [GitHub repository]    [Dataset]

 Tok Fia Gnn

(58)   S. R. Dash, H. Sharma, M. K. Tiwari, L. Greb, K. Vanka

         Size Matters: Computational Insights into the Crowning of Noble Gas Trioxides.

         Inorg. Chem. 2024, 63, 9, 4099 - 4107.

(57)   N. Ansmann, K. Johann, P. Favresse, T. Johann, M. Fiedel, L. Greb

         Silicon Catalyzed Depolymerization of Polyethers: Pushing Scope, Practicability and Mechanistic Understanding.

         ChemCatChem 2024, 16, e202301615.

Toc Ansmann Depoly

(56)   L. Kistner, L. M. Sigmund, F. F. Grieser, J. Krauß, S. Leingang, E. Kaifer, L. Greb, H.-J. Himmel

         Metal-Free B-B Dehydrocoupling Reaction of a Simple Borane Adduct: Convenient Access to a Nucleophilic Diborane(4)

         Angew. Chem. Int. Ed. 2023, 63, e202317462.

(55)   N. Ansmann, J. Münch, M. Schorpp, L. Greb 

         Neutral and Anionic Square Planar Palladium(0) Complexes Stabilized by a Silicon Z-Type Ligand.

         Angew. Chem. Int. Ed. 2023, 62, e202313636.

Toc V1

(54)   D. Roth, A. T. Radosevich, L. Greb 

         Reversible Oxidative Addition of Nonactivated C–H Bonds to Structurally Constrained Phosphenium Ions.

         J. Am. Chem. Soc. 2023, 145, 44, 24184 - 24190.

Roth Jacs2023



(53)   T. Thorwart, L. Greb

         Reversible C−H Bond Silylation with a Neutral Silicon Lewis Acid.

         Chem. Sci. 2023, 14, 11237 - 11242.



(52)*   A. Maiti+, R. Yadav+, L. Greb

         Structural constraint effects on p-block elements: Recent advances.

         Adv. Inorg. Chem. 2023.

Toc Book Strucconstraint

         +:These authors contributed equally to this work.

(51)*   R. Yadav+, P. Janßen+, M. Schorpp, L. Greb

         Calix[4]pyrrolato-germane-(thf)2: Unlockingthe Anti-van’t Hoff−Le Bel Reactivity of Germanium(IV) by Ligand Dissociation.

         J. Am. Chem. Soc. 2023, 145, 32, 17746–17754.

Toc Cxge Thf2

         +:These authors contributed equally to this work.

(50)   L. Greb

         p-Block Element Catecholates: Lewis Superacidic, Constitutionally Dynamic and Redox-Active.

         Synlett 2023, doi: 10.1055/a-2122-8238.

Greb Synlett2023

(49)  Q. Luo, L. Greb

         Catechol-Mediated Redox-Neutral One-pot Transformation of SiO2 into SiPh4.

         Eur. J. Inorg. Chem. 2023, 26, e202300186.

Coco Eijc 2023

(48)  S. Hollstein, P. Erdmann+, A. Ulmer+, H. Löw, L. Greb, M. von Delius

         Trialkoxysilane Exchange: Scope, Mechanism, Cryptates and pH-Response.

         Angew. Chem. Int. Ed. 2023, 62, e202304083.

Erdmann2023 Von Delius Koop

         +:These authors contributed equally to this work.

(47)  R. Maskey, T. Thorwart, S. Ebel, A. Jocic, D. Hartmann, L. Greb

         Redox-Active Lewis Pairs Yield Diradicaloids and Enable Modular Control of the Diradical Character.

         Chem. Eur. J. 2023, e202300269.

Toc Rezi Diradical

(46)  R. Maskey, L. Greb

         Catecholate Complexes of p-Block Elements: Redox Activity.

         Encyclopedia of Inorganic and Bioinorganic Chemistry 2022.

(45)  D. Roth, T. Thorwart, C. Douglas, L. Greb

        Bis(amidophenolato)phosphonium: Si-H Hydride Abstraction and Phosphorous-Ligand Cooperative Activation of C-C Multiple Bonds.

        Chem. Eur. J. 2023, 29, e202203024.

Toc Dr2022

(44)  D. Hartmann, T. Strunden, L. Greb

        Silicon Carbamates by CO2 Fixation: Brønsted Acid Labile Precursor of a Lewis Superacid.

        Inorg. Chem. 2022, 61, 15693–15698.

Toc Dh 2022

(43)  N. Ansmann, T. Thorwart, L. Greb

        Silicon Catalyzed C-O Bond Ring Closing Metathesis of Polyethers.

        Angew. Chem. Int. Ed. 2022, 61, e2022101.

Toc Nils 2022

(42)*  L. M. Sigmund, E. Engels+, N. Richert+, L. Greb

        Calix[4]pyrrolato gallate: square planar-coordinated gallium(III) and its metal-ligand cooperative reactivity with CO2 and alcohols.

        Chem. Sci. 2022, 13, 11215-11220.

Toc Lms 2022

         +:These authors contributed equally to this work.

(41)*  M. Schorpp+, R. Yadav+, D. Roth, L. Greb

        Calix[4]pyrrolato Stibenium: Lewis Superacidity by Antimony(III)-Antimony(V) Electromerism.

        Angew. Chem. Int. Ed. 2022, 61,  e2022079.

Toc Cxsb

         +:These authors contributed equally to this work.

(40)  T. Thorwart, D. Hartmann, L. Greb

        Dihydrogen Activation with a Neutral, Intermolecular Silicon(IV)-Amine Frustrated Lewis Pair.

        Chem. Eur. J. 2022, 28,  e2022022.


(39)  L. Greb, G. Vantomme, J.-M. Lehn

        Imines as Threefold Functional Devices: Motional, Photochemical, Constitutional.

        Molecular Photoswitches: Chemistry, Properties, and Applications, Volume 1 (Editor: Z. L. Pianowski, Wiley‐VCH).

(38)*  L. M. Sigmund, C. Ehlert, G. Gryn’ova, L. Greb

        Stereoinversion of Tetrahedral p-Block Element Hydrides.

        J. Chem. Phys. 2022, 156, 194113.

Toc Inversion2 Lms

(37)  N. Ansmann+, D. Hartmann+, S. Sailer, P. Erdmann, R. Maskey, M. Schorpp, L. Greb

        Synthesis and Characterization of Hypercoordinated Silicon Anions: Catching Intermediates of Lewis Base Catalysis.

        Angew. Chem. Int. Ed. 2022, 61, e202203947.


         +:These authors contributed equally to this work.

(36)*  F. Schön+, L. M. Sigmund+, F. Schneider, D. Hartmann, M. A. Wiebe, I. Manners, L. Greb

        Calix[4]pyrrolato Aluminate Catalyzes the Dehydrocoupling of Phenylphosphine Borane to High Molar Weight Polymers.

        Angew. Chem. Int. Ed. 2022, 62, e202202176. Hot Paper!

Toc Dehydrocoupling Alcx

         +:These authors contributed equally to this work.

(35)*  H. Ruppert, L. Greb

        Calix[4]pyrrolato Stannate(II): A Tetraamido Tin(II) Dianion and Strong Metal-Centered σ-Donor.

        Angew. Chem. Int. Ed. 2022, 61, e202116615.

Toc Cx Stannate

(34)  L. Greb

        Valence Tautomerism of p-Block Element Compounds – An Eligible Phenomenon for Main Group Catalysis?

        Eur. J. Inorg. Chem. 2022, e202100871.

Valencetautomerism Greb Toc

(33)*  L. M. Sigmund, R. Maier, L. Greb

        The Inversion of Tetrahedral p-Block Element Compounds: General Trends and the Relation to the Second-Order Jahn-Teller Effect.

        Chem. Sci. 2022, 13, 510-521.

Toc Inversion1 Lms

(32)  P. Erdmann, L. Greb

        What Distinguishes the Strength and the Effect of a Lewis Acid: Analysis of the Gutmann-Beckett Method.

        Angew. Chem. Int. Ed. 2022, 61, e202114550. Very Important Paper!

Erdmann 2021

(31)  D. Hartmann, T. Thorwart, R. Müller, J. Thusek, J. Schwabedissen, A. Mix, J.-H. Lamm, B. Neumann, N. W. Mitzel, L. Greb

        The Structure of Bis(catecholato)silanes: Phase Adaptation by Dynamic Covalent Chemistry of the Si–O Bond.

         J. Am. Chem. Soc. 2021, 143, 44, 18784-18793.

Toc Debbie Jacs

(30)*  H. Ruppert+, L. M. Sigmund+, L. Greb

         Calix[4]pyrroles as Ligands: Recent Progress with a Focus on the Emerging p-Block Element Chemistry.

         Chem. Commun. 2021, 57, 11751-11763.

Toc Featurearticle

         +:These authors contributed equally to this work.

(29)  F. S. Tschernuth, T. Thorwart, L. Greb, F. Hanusch, S. Inoue

         Bis(perfluoropinacolato)silane: A Neutral Silane Lewis Superacid Activates Si-F bonds.

         Angew. Chem. Int. Ed. 2021, 60, 25799–25803.

(28)  D. Roth, J. Stirn, D. W. Stephan, L. Greb

        Lewis Superacidic Catecholato Phosphonium Ions: Phosphorus–Ligand Cooperative C–H Bond Activation.

        J. Am. Chem. Soc. 2021, 143, 38, 15845–15851.

Ja1c07905 0011

(27)  D. Hartmann, S. Braner, L. Greb

        Bis(perchlorocatecholato)silane and Heteroleptic Bidonors: Hidden Frustrated Lewis Pairs by Ring Strain.

        Chem. Comm. 2021, 57, 8572-8575.

Toc Dh2021

(26)*  F. Ebner, L. Greb

        An isolable, crystalline complex of square-planar silicon(IV).

        Chem 2021, 7, 2151-2159.

Toc V2 Final

(25)*  L. M. Sigmund, C. Ehlert, M. Enders, J. Graf, G. Gryn’ova, L. Greb

        Dioxygen Activation and Pyrrole α‐Cleavage with Calix[4]pyrrolato Aluminates: Enzyme Model by Structural Constraint.

        Angew. Chem. Int. Ed. 2021, 60, 15632–15640. Hot Paper!

(24)  T. Thorwart, D. Roth, L. Greb

        Bis(pertrifluoromethylcatecholato)silane: Extreme Lewis Acidity Broadens the Catalytic Portfolio of Silicon.

        Chem. Eur. J. 2021, 27, 10422–10427 .

Toc Tt 2021

(23)  T. Thorwart, L. Greb

         Lewis Superacids.

         Encyclopedia of Inorganic and Bioinorganic Chemistry 2021.

(22)  P. Erdmann, L. Greb

        Multidimensional Lewis Acidity: A Consistent Data Set of Chloride, Hydride, Methide, Water and Ammonia Affinities for 183 p‐Block Element Lewis Acids.

        ChemPhysChem 2021, 22, 935-943.

Toc Erdmanngreb2021 Zugeschnitten

(21)*  F. Ebner, P. Mainik, L. Greb

        Calix[4]pyrrolato Aluminates: The Effect of Ligand Modification on the Reactivity of Square‐Planar Aluminum Anions.

        Chem. Eur. J. 2021, 27, 5120-5124.

Toc Fe 2021 Hd

(20)  R. Maskey, C. Bendel, J. Malzacher, L. Greb

        Completing the Redox‐Series of Silicon Trisdioxolene: ortho‐Quinone and Lewis Superacid Make a Powerful Redox Catalyst.

        Chem. Eur. J. 2020, 26,17386-17389.

Rezi2020 3

(19)  H. Ruppert, L. Greb

        Bis(alizarinato)silane: In Silico Design and Synthesis of a Powerful Chromogenic Lewis Acid as a Dual-Gated Fluoride Ion Probe.

        Organometallics 2020, 39, 4340-4349.

(18)*  L. M. Sigmund, L. Greb

        Reversible OH-bond activation and amphoterism by metal-ligand cooperativity of calix[4]pyrrolato aluminate.

        Chem. Sci. 2020, 11, 9611-9616.

Lukas2020 2

(17)  D. Hartmann, L. Greb

        [Si(O2C6F4)2]14: Self‐Assembly of a Giant Perfluorinated Macrocyclic Host by Low‐Barrier Si‐O Bond Metathesis.

        Angew. Chem. Int. Ed. 2020, 59, 22510-22513. Very Important Paper!


(16)  D. Roth, H. Wadepohl, L. Greb

        Bis(perchlorocatecholato)germane: Hard and Soft Lewis Superacid with Unlimited Water Stability.

        Angew. Chem. Int. Ed. 2020, 59, 20930-20934. Hot Paper!


(15)  L. Greb, F. Ebner+, Y. Ginzburg+, L. M. Sigmund+ 

        Element-Ligand Cooperativity with p-Block Elements.

        Eur. J. Inorg. Chem. 2020, 3030-3047.  ​