General information: ORCID: 0000-0002-2806-1302 (Link);
* denotes corresponding authorship; + denotes equal contribution; $ denotes non-peer-reviewed publication; ! denotes (under)graduate students; group members in bold letters

2024
(47) manuscript in preparation. Stay tuned!

(46) !F. Meyer, ... , M. Fischer*, manuscript in preparation. Stay tuned!

(45) !M. Heitmann, D. Duvinage, C. Golz, E. Hupf*, J. Beckmann*, M. Fischer*, submitted manuscript. Stay tuned!

(44) !J. Klaucke, !N. Sinthathurai, C. Golz, O. P. E. Townrow*, M. Fischer*, submitted manuscript. Stay tuned!
• ChemRxiv preprint: Carbene de-stabilised stannylenes: Accessing selective C(sp3)–H bond scission at the steric limit.

(43) C. Stoian, M. Olaru, S. Demeshko, M. Fischer, S. Mebs, E. Hupf, J. Beckmann*, Heavier Diferrocenylpnictogenium Ions. Chem. Eur. J., 2024, e202403555, accepted manuscript.

(42) !D. Krengel, N. Graw, R. Herbst-Irmer, D. Stalke, O. P. E. Townrow*, M. Fischer*, Ammonia activation using a heteroleptic stannylene and lithium stannylenoid formation facilitated by hemilabile iminophosphorane-based ligands. Inorg. Chem. Front., 2024, 11, 8649-8659.
• Featured on the cover

(41) !L. Kreßner, D. Duvinage, P. Puylaert, N. Graw, R. Herbst-Irmer, D. Stalke, O. P. E. Townrow*, M. Fischer*, En Route to a Molecular Terminal Tin Oxide. Inorg. Chem. 2024, 63, 7455-7463.
• Previously on ChemRxiv: En Route to a Molecular Terminal Tin Oxide.

(40) H. Beer, J.-E. Siewert, M. Schröder, M. Fischer, B. Corzilius, C. Hering-Junghans*, Phosphaarsenes – Combining Phospha- and Arsa-Wittig-Reagents. ChemPlusChem 2024, 89, e202400120.

(39)$ M. Fischer*+, D. Heift*+, Trendbericht Anorganische Chemie 2024 Teil 1: Hauptgruppen. Nachrichten aus der Chemie 2024, 72, 46-57.

Before Göttingen
2023
(38) M. Eilers, K. Schwitalla, T. Dirksen, M. Schmidtmann, M. Fischer*, R. Beckhaus, The Parent Allene H2C=C=CH2 as an Allyl Ligand Precursor in Reactions with Bis(pentafulvene)titanium Complexes. Organometallics 2023, 42, 1043-1047.
• Part of the Special Issue "Early Transition Metals in Organometallic Chemistry Part I"

(37) K. Schwitalla, W. Lee, M. Fischer, M. Schmidtmann, R. Beckhaus, The Parent Allene H2C=C=CH2 as an Allyl Ligand Precursor in Reactions with Bis(pentafulvene)titanium Complexes. Organometallics 2023, 42, 1259-1266.
• Part of the Special Issue "Early Transition Metals in Organometallic Chemistry Part II"

(36)$ M. Fischer*+, D. Heift*+, Trendbericht Anorganische Chemie 2023 Teil 1: Hauptgruppen. Nachrichten aus der Chemie 2023, 71, 46-57.

2022
(35) M. Fischer*, M. M. D. Roy, L. L. Wales, M. A. Ellwanger, A. F. Roper, C. McManus, S. Aldridge*, Taming Heavier Group 14 Imine Analogues: Accessing Tin Nitrogen [Sn=N] Double Bonds and their Cycloaddition / Metathesis Chemistry. Angew. Chem. Int. Ed. 2022, 61, e202211616; Angew. Chem 2022, 134, e202211616.

(34) G. Sieg, M. Fischer, C. Hering-Junghans*, G. Werncke*, A Diarsene Radical Anion. Chem. Commun. 2022, 58, 9786-9789.
• Highlighted in ChemistryViews

(33) M. Fischer*, M. M. D. Roy, L. L. Wales, M. A. Ellwanger, A. Heilmann, S. Aldridge*, Structural Snapshots in Reversible Phospinidene Transfer: Synthetic, Structural and Reaction Chemistry of a Sn=P Doublde Bond. J. Am. Chem. Soc. 2022, 144, 8908-8913.

(32) F. Dankert, M. Fischer, C. Hering-Junghans*, Modulating the Reactivity of Phosphanylidenephosphoranes towards Water with Lewis Acids. Dalton Trans. 2022, 51, 11267-11276.
• Previously on ChemRxiv

(31) M. Fischer*, M. M. D. Roy, S. Hüller, M. Schmidtmann, R. Beckhaus*, Reaction of a Bis(pentafulvene)titanium Complex with an N-Heterocyclic Olefin: C–H-Activation Leads to Resonance Between A Titanium Vinyl and Titanium Alkylidene Complex. Dalton Trans. 2022, 51, 10690-10696.
• Part of the themed collection "New Talent Europe"
• Featured on the cover

(30)$ M. Fischer*+, D. Heift*+, Trendbericht Anorganische Chemie 2022 Teil 1: Hauptgruppen. Nachrichten aus der Chemie 2022, 70, 40-51.

2021
(29) M. Fischer*+, M. Manßen*+, M. Schmidtmann, T. Klüner*, R. Beckhaus*, Selective Propargylic C(sp3)–H Activation of Methyl-Substituted Alkynes Versus [2+2] Cycloaddition at a Titanium Imido Template. Chem. Sci. 2021, 12, 13711-13718.
• Part of the "2021 Chemical Science HOT Article Collection"

(28) S. Nees, F. Fantuzzi, T. Wellnitz, M. Fischer, J.-E. Siewert, J. T. Goettel, A. Hofmann, M. Härterich, H. Braunschweig*, C. Hering-Junghans*, Cyclo-Dipnictadialanes. Angew. Chem. Int. Ed. 2021, 60, 24318-24325; Angew. Chem 2021, 133, 24520-24528.

(27) M. Fischer, C. Hering-Junghans*, On 1,3-Phosphaazaallenes and their Diverse Reactivity. Chem. Sci. 2021, 12, 10279-10289.
• Part of the Themed Collection "Most Popular 2021 Main Group, Inorganic and Organometalic Chemistry Articles"

(26) M. Fischer, F. Reiß*, C. Hering-Junghans*, Titanocene Pnictinidene Complexes. Chem. Commun. 2021, 57, 5626-5629.
• Chemical Communications HOT article
• Featured on the cover
• Previously on ChemRxiv

(25) M. Fischer+, S. Nees+, T. Kupfer, J. T. Goettel, H. Braunschweig*, C. Hering-Junghans*, Isolable Phospha- and Arsaalumenes.J. Am. Chem. Soc. 2021, 143, 4106-4111.

(24) T. Kaper, M. Fischer, H. Thye, D. Geik, M. Schmidtmann, R. Beckhaus*, S. Doye*, Intermolecular Hydroaminoalkylation of Alkynes. Chem. Eur. J. 2021, 27, 6899-6903.
• Featured on the cover
• Featured in "Hot topic C–H activation" by Asian J. Org. Chem.
• Among the most downloaded papers 2022

(23) P. Gupta, J.-E. Siewert, T. Wellnitz, M. Fischer, W. Baumann, T. Beweries*, C. Hering-Junghans*, Reactivity of Phospha-Wittig Reagents Towards NHCs and NHOs. Dalton Trans. 2021, 50, 1838-1844.
• Previously on ChemRxiv

(22) A. Schumann, J. Bresien, M. Fischer, C. Hering-Junghans*, Aryl-substituted Triarsiranes: Synthesis and Reactivity. Chem. Commun. 2021, 57, 1014-1017.
• Previously on ChemRxiv

2020
(21) T. Kaper, M. Fischer, M. Warsitz, R. Zimmering, R. Beckhaus*, S. Doye*, Intermolecular Hydroaminoalkylation of Propadiene. Chem. Eur. J. 2020, 26, 14300-14304.
• Featured on the cover
• "Hot paper"

(20) J.-E. Siewert, A. Schumann, M. Fischer, C. Schmidt, C. Hering-Junghans*, Terphenyl(bisamino)phosphines: Electron-rich Ligands for Gold Catalysis. Dalton Trans. 2020, 49, 12354-12364.

(19) M. Fischer*, M. C. Wolff, E. del Horno, M. Schmidtmann, R. Beckhaus*, Synthesis, Reactivity, and Insights into the Lewis Acidity of Mononuclear Titanocene Imido Complexes Bearing Sterically Demanding Terphenyl Moieties. Organometallics 2020, 39, 3232-3239.

(18) M. Fischer*, M. Schmidtmann, B(C6F5)3- and HB(C6F5)2-Mediated Transformations of Isothiocyanates. Chem. Commun. 2020, 56, 6205-6208.
• ChemComm Milestone for publishing the first article as a corresponding author: https://blogs.rsc.org/cc/2020/06/17/chemcomm-milestones-malte-fischer/
• Featured on an infographic

(17) M. Fischer, L. Vincent-Heldt, M. Hillje, M. Schmidtmann, R. Beckhaus*, Synthesis of a Titanium Ethylene Complex via C–H Activation and Alternative Access to Cp2Ti(η2-Me3SiC2SiMe3) Dalton Trans. 2020, 49, 2068-2072.

2019
(16) M. Fischer, K. Fitschen, M. Schmidtmann, R. Beckhaus*, Reactivity Studies of a Bis(π-η5:σ-η1-benzofulvene)titanium Complex Including Simultaneous N–H and C(sp2)–H Activation of Dibenzylamine. Organometallics 2019, 38, 3760-3767.

(15) M. Fischer, D. Barbul, M. Schmidtmann, R. Beckhaus*, Unexpected Selective Methyl Group Abstractions from SiMe3 Moieties of CH2SiMe3 Ligands to Give New Cationic Titanium Complexes. Chem. Eur. J. 2019, 25, 7119-7130.
• Featured on the frontispiece

(14) M. Fischer, M. Schidtmann, R. Beckhaus*, To Coordinate or not to Coordinate: The Special Role of Chalcogen Ether Funtionalities in the Design of Twofold Functionalized Cyclopentadienyl Ligands [Cp,O,Ch (Ch = S, Se)]. Z. Anorg. Allg. Chem. 2019, 645, 595-604.

(13) T. Oswald, M. Fischer, N. Struckmann, M. Schmidtmann, R. Beckhaus*, Reaction of Pentafulvene Titanium and Zirconium Complexes with Phosphorus Ylides: Stoichiometric Reactions and Catalytic Intramolecular Proton Shuttles. Organometallics 2019, 38, 829-843.

(12) M. Fischer, K. Schwitalla, S. Baues, M. Schmidtmann, R. Beckhaus*, FLP behaviour of cationic titanium complexes with tridentate Cp,O,N-ligands: highly efficient syntheses and activation reactions of C–X bonds (X = Cl, F). Dalton Trans. 2019, 48, 1516-1523.

(11) M. Fischer, H. Steinert, M. Schmidtmann, R. Beckhaus*, Teaching c-phosphanylimines the titanaaziridine coordination mode. Dalton Trans. 2019, 48, 1936-1940.
• Featured on the cover

2018
(10) M. Fischer, M. Jaugstetter, R. Schaper, M. Schmidtmann, R. Beckhaus*, Cationic Group 4 Complexes (M = Ti, Zr, Hf): Modifications and Limitations in the Design of Tridentate Cp,O,P Ligand Frameworks Built Directly in the Coordination Sphere of the Metal. Eur. J. Inorg. Chem. 2018, 5146-5159.
• Invited cover profile: Eur. J. Inorg. Chem. 2018, 5137.
• Featured on the cover
• "very important paper"

(9) M. Fischer, D. Barbul, M. Schmidtmann, R. Beckhaus*, Convenient Synthesis of Cationic Titanium Complexes with Tridentate Cp,N,P-Ligand Framework: FLP-Like Reactivity at the Ti–N Bond and Unexpected Ligand Hydrogenation Reaction. Organometallics 2018, 37, 1979-1991.

(8) M. Fischer, R. Schaper, M. Jaugstetter, M. Schmidtmann, R. Beckhaus*, Electrophilic d0 Cations of Group 4 Metals (M = Ti, Zr, Hf) Derived from Monopentafulvene Complexes: Direct Formation of Tridentate Cp,O,P Ligands. Organometallics 2018, 37, 1192-1205.

(7) M. Fischer+, T. Oswald+, H. Ebert, M. Schmidtmann, R. Beckhaus*, Expanding the Scope: Monopentafulvene and -Benzofulvene Complexes of Zirconium and Hafnium. Organometallics 2018, 37, 415-421.

(6) M. Fischer, M. Schmidtmann, R. Beckhaus*, Crystal Structure of the η4-ketimine titanium complex (diphenylamido-κN){3-methyl-6-[(4-methylphenyl)(phenylazanidyl)methylidene]cyclohexa-2,4-dien-1-yl-κ2N,C1}(η5-pentamethylcyclopentadienyl)titanium(IV). Acta Cryst. E 2018, E74, 34-37.

(5) M. Manßen, I. Weimer, C. Adler, M. Fischer, M. Schmidtmann, R. Beckhaus*, From Organic Azides through Titanium Triazenido Complexes to Titanium Imides. Eur. J. Inorg. Chem. 2018, 131-136.

2017
(4) M. Fischer, M. Schmidtmann, R. Beckhaus*, Crystal Structure of the formal 20 electron zirconocene pentafulvene complex Cp2Zr(η5,η1-adamantylidenepentafulvene):toluene:n-hexane = 1:0.125:0.125. Acta Cryst. E 2017, E73, 1823-1826.

(3) M. Fischer, M. Schmidtmann, R. Beckhaus*, From Five to Five: Titanium Ketimine Complexes with Monoazabutadiene η4-Coordination Mode and Hidden η2-Imine Reactivity. Organometallics 2017, 36, 4779-4793.
• Featured on the cover

(2) F. Jaroschik*, M. Penkhues, B. Bahlmann, E. Nicolas, M. Fischer, F. Massicot, A. Martinez, D. Harakat, M. Schmidtmann, K. V. Radhakrishnan, J.-L. Vasse, R. Beckhaus*, Synthesis, Characterization and Reactivity of Formal 20 Electron Zirconocene-Pentafulvene Complexes. Organometallics 2017, 36, 2004-2013.

2015
(1) D. Kröger, T. Schlüter, M. Fischer, I. Geibel, J. Martens*, Three-Component Reaction toward Polyannulated Quinazolinones, Benzoxazinones, and Benzothiazinones. ACS Comb. Sci. 2015, 17, 202-207.