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ResearcherID: P-7754-2016
ORCID: 0000-0003-3107-1445

44. J. Messelberger, A. Grünwald, S. J. Goodner, F. Zeilinger, P. Pinter, M. E. Miehlich, F. W. Heinemann, M. M. Hansmann, D. Munz*
Aromaticity and Sterics Control Whether a Cationic Olefin Radical is Resistant to Disproportionation
Chem. Sci. 2020, 11, 4138-4149. (DOI: 10.1039/D0SC00699H)

 

 

 

 

 

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43. T. Ullrich, P. Pinter, J. Messelberger, P. Haines, R. Kaur, M. M. Hansmann*, D. Munz*, D.M. Guldi*
Singlet Fission in Carbene Derived Diradicaloids
Angew. Chem. Int. Ed. 2020, 59, 7906-7914. (DOI: 10.1002/anie.202001286)
Angew. Chem. 2020, 132, 7980-7988. (DOI: 10.1002/ange.202001286)

 

 

 

 

 

TOC_Singlet_Fission-1

42. M. M. Hansmann*, P. W. Antoni, H. Pesch
Stable Mesoionic N‐Heterocyclic Olefins (mNHOs)
Angew. Chem. Int. Ed. 2020, 59, 5782-5787. (DOI: 10.1002/anie.201914571)
Angew. Chem. 2020, 132, 5831-5836. (DOI: 10.1002/ange.201914571)

 

 

 

 

 

Publikation42_TOC

41. M. Gosh, H. H. Cramer, S. Dechert, S. Demeshko, M. John, M. M. Hansmann, S. Ye*, F. Meyer*
A μ-Phosphido Diiron Dumbbell in Multiple Oxidation States
Angew. Chem. Int. Ed. 2019, 58, 14349–14356. (DOI: 10.1002/anie.201908213)
Angew. Chem. 2019, 131, 14487–14494. (DOI: 10.1002/ange.201908213)

 

 

 

 

Publikation41_TOC-1

40. P. W. Antoni, T. Bruckhoff, M. M. Hansmann*
Organic Redox-Systems Based on Pyridinium-Carbene Hybrids
J. Am. Chem. Soc. 2019, 141, 9701–9711. (DOI: 10.1021/jacs.9b04249)

 

 

 

 

 

Publikation40_TOC

39. P. W. Antoni, M. M. Hansmann*
Pyrylenes: A New Class of Tunable, Redox-Switchable, Photoexcitable Pyrylium-Carbene Hybrids with Three Stable Redox-States
J. Am. Chem. Soc. 2018, 140, 14823–14835. (DOI: 10.1021/jacs.8b08545)

 

 

 

 

 

Publikation39_TOC

38. J. Messelberger, A. Grünwald, P. Pinter, M. M. Hansmann, D. Munz*
Carbene derived diradicaloids – building blocks for singlet fission?
Chem. Sci. 2018, 9, 6107-6117. (DOI: 10.1039/C8SC01999A)

 

 

 

 

Publikation38_TOC

37. M. M. Hansmann*
Synthesis of Azaphosphinines by Directed Inverse Electron Demand Hetero‐Diels‐Alder Reactions with Na(OCP)
Chem. Eur. J. 2018, 24, 11573-11577. (DOI: 10.1002/chem.201802173)

 

 

 

 

 

Publikation37_TOC

  1. A. Hinz, M. M. Hansmann, G. Bertrand*, J. M. Goicoechea*
    Intercepting a Transient Phosphino-Arsinidene
    Chem. Eur. J. 2018, 24, 9514-9519. (DOI: 10.1002/chem.201802175)

  2. M. M. Hansmann, M. Melaimi, D. Munz, G. Bertrand*
    A Modular Approach to Kekulé Diradicaloids Derived from Cyclic (Alkyl)(amino)carbenes
    J. Am. Chem. Soc. 2018, 140, 2546-2554. (DOI: 10.1021/jacs.7b11183)

  3. M. M. Hansmann, M. Melaimi, G. Bertrand*
    Organic Mixed Valence Compounds Derived from Cyclic (Alkyl)(amino)carbenes
    J. Am. Chem. Soc. 2018, 140, 2206-2213. (DOI: 10.1021/jacs.7b11184)

  4. M. M. Hansmann, M. Melaimi, G. Bertrand*
    Crystalline Monomeric Allenyl/Propargyl Radical
    J. Am. Chem. Soc. 2017, 139, 15620-15623. (DOI: 10.1021/jacs.7b09622)

  5. E. Tomás-Mendivil, M. M. Hansmann, C. M. Weinstein, R. Jazzar, M. Melaimi, G. Bertrand*
    Bicyclic (Alkyl)(amino)carbenes (BICAACs): Stable Carbenes more Ambiphilic than CAACs
    J. Am. Chem. Soc. 2017, 139, 7753-7756. (DOI: 10.1021/jacs.7b04640)

  6. M. M. Hansmann, D. A. Ruiz, L. Liu, R. Jazzar, G. Bertrand*
    (Phosphanyl)phosphaketenes as Building Blocks for Novel Phosphorus Heterocycles
    Chem. Sci. 2017, 8, 3720-3725. (DOI: 10.1039/C7SC00300E)

  7. S. Arndt, M. M. Hansmann, M. Rudolph, F. Rominger, A. S. K. Hashmi*
    Direct Access to π-Extended Phosphindolium Salts by Simple Proton-Induced Cyclization of (o-Alkynylphenyl)-phosphanes
    Chem. Eur. J. 2017, 23, 5429-5433. (DOI: 10.1002/chem.201700889)

  8. S. Tšupova, M. M. Hansmann, M. Rudolph, F. Rominger, A. S. K. Hashmi*
    Gold-Catalysed Formal Cyclisation/Dimerization of Thiophene-Tethered Diynes
    Chem. Eur. J. 2017, 23, 5716-5721. (DOI: 10.1002/chem.201700061)

  9. S. Arndt, M. M. Hansmann*, P. Motloch, M. Rudolph, F. Rominger, A. S. K. Hashmi*
    Intramolecular anti-Phosphinoauration of Alkynes: An FLP-Motivated Approach to Stable Aurated Phosphindolium Complexes
    Chem. Eur. J. 2017, 23, 2542-2547. (DOI: 10.1002/chem.201605914)

  10. M. M. Hansmann, G. Bertrand*
    Transition-Metal-like Behavior of Main Group Elements: Ligand Exchange at a Phosphinidene
    J. Am. Chem. Soc. 2016, 138, 15885-15888. (DOI: 10.1021/jacs.6b11496)

  11. G. Kleinhans, M. M. Hansmann, G. Guisado-Barrios, D. C. Liles, G. Bertrand, D. I. Bezuidenhout*
    Nucleophilic T-shaped (LXL)Au(I)-pincer complexes: Protonation and Alkylation
    J. Am. Chem. Soc. 2016, 138, 15873-15876. (DOI: 10.1021/jacs.6b11359)
    Highlighted in ACS Spotlight: J. Am. Chem. Soc. 2016, 138, 16567–16567.

  12. S. Tšupova, M. M. Hansmann, M. Rudolph, F. Rominger, A. S. K. Hashmi*
    New pathways for the Dual Gold Catalyzed Cyclization of Diynes
    Chem. Eur. J. 2016, 22, 16286-16291. (DOI: 10.1002/chem.201602873)

  13. L. C. Wilkins, J. R. Lawson, P. Wieneke, F. Rominger, A. S. K. Hashmi, M. M. Hansmann, R. L. Melen*
    The Propargyl Rearrangement to Functionalised Allyl- Boron and Borocation Compounds
    Chem. Eur. J. 2016, 22, 14618–14624. (DOI: 10.1002/chem.201602719)

  14. M. M. Hansmann, R. Jazzar, G. Bertrand*
    Singlet (Phosphino)phosphinidenes are Electrophilic
    J. Am. Chem. Soc. 2016, 138, 8356-8359. (DOI: 10.1021/jacs.6b04232)

  15. M. M. Hansmann, A. López-Andarias, E. Rettenmeier, C. Egler-Lucas, F. Rominger, A. S. K. Hashmi,* C. Romero-Nieto*
    B(C6F5)3: A Lewis acid that brings the light to the solid state
    Angew. Chem. Int. Ed. 2016, 55, 1196-1199. (DOI: 10.1002/anie.201508461)
    Erzeugung von Festkörperlumineszenz durch Koordination der Lewis-Säure B(C6F5)3 an nicht-emittierende Aldehyde
    Angew. Chem. 2016, 128, 1212-1216. (DOI: 10.1002/ange.201508461)
    (selected as hot paper); Highlighted in “Cutting-Edge Chemistry“ by the ACS.

  16. L. C. Wilkins, H. B. Hamilton, B. M. Kariuki, A. S. K. Hashmi, M. M. Hansmann, R. L. Melen*
    Lewis acid-base 1,2-addition reactions: Synthesis of pyrylium borates from en-ynoate precursors.
    Dalton Trans. 2016, 45, 5929-5932. (DOI: 10.1039/C5DT03340C

  17. M. M. Hansmann*, R. L. Melen, M. Rudolph, F. Rominger, H. Wadepohl, D. W. Stephan*, A. S. K. Hashmi*
    Cyclopropanation / Carboboration Reactions of Enynes with B(C6F5)3
    J. Am. Chem. Soc. 2015, 137, 15469-15477. (DOI: 10.1021/jacs.5b09311)

  18. L. C. Wilkins, P. Wieneke, P. D. Newman, B. M. Kariuki, F. Rominger, A. S. K. Hashmi, M. M. Hansmann*, R. L. Melen*
    Pathways to functionalized heterocycles: The propargyl rearrangement using B(C6F5)3
    Organometallics 2015, 34, 5298-5309. (DOI: 10.1021/acs.organomet.5b00753)

  19. E. Rettenmeier, M. M. Hansmann, A. Ahrens, K. Rübenacker, T. Saboo, J. Massholder, C. Meier, M. Rudolph, F. Rominger, A. S. K. Hashmi*
    Insights into the Gold-Catalyzed Propargyl Ester Rearrangement/ Tandem Cyclization Sequence: Radical versus Gold Catalysis — Myers–Saito- versus Schmittel-Type Cyclization
    Chem. Eur. J. 2015, 21, 14401-14409. (DOI: 10.1002/chem.201501725)

  20. R. L. Melen,* L. C. Wilkins, B. M. Kariuki, H. Wadepohl, L. H. Gade, A. S. K. Hashmi, D. W. Stephan, M. M. Hansmann*
    Diverging Pathways in the Activation of Allenes with Lewis Acids and Bases: Addition, 1,2-Carboboration, and Cyclization
    Organometallics 2015, 34, 4127-4137. (DOI: 10.1021/acs.organomet.5b00546)

  21. M. M. Hansmann*, F. Rominger, M. P. Boone, D. W. Stephan*, A. S. K. Hashmi*
    Reactivity of Organogold Compounds with B(C6F5)3 – A Gold Boron Transmetalation via σ-B/π-Au Species
    Organometallics 2014, 33, 4461-4470. (DOI: 10.1021/om5006885)

  22. M. M. Hansmann, R. L. Melen, F. Rominger, A. S. K. Hashmi*, D. W. Stephan*
    B(C6F5)3 Promoted Cyclisation of Internal Propargyl Esters: Structural Characterisation of 1,3-Dioxolium Compounds
    Chem. Commun. 2014, 50, 7243-7245. (DOI: 10.1039/C4CC01370K) (selected as hot article)

  23. T. Wang, S. Shi, M. M. Hansmann, E. Rettenmeier, M. Rudolph, A. S. K. Hashmi*
    Synthesis of Highly Substituted 3-Formyl Furans via Gold(I)-Catalyzed Oxidation / 1,2-Alkynyl Migration / Cyclization Cascade
    Angew. Chem. Int. Ed. 2014, 53, 3715-3719. (DOI: 10.1002/anie.201310146)
    Synthese hochsubstituierter 3-Formylfurane über eine Kaskade aus Gold(I)-katalysierter Oxidation, 1,2-Alkinylwanderung und Cyclisierung
    Angew. Chem. 2014, 126, 3789-3793. (DOI: 10.1002/ange.201310146)
    Classified as highly cited paper by Elsevier

  24. M. M. Hansmann, R. L. Melen, F. Rominger, A. S. K. Hashmi*, D. W. Stephan*
    Activation of Alkynes with B(C6F5)3 - Boron Allylation Reagents Derived from Propargyl Esters
    J. Am. Chem. Soc. 2014, 136, 777-782. (DOI: 10.1021/ja4110842)

  25. M. M. Hansmann*, S. Tsupova, M. Rudolph, F. Rominger, A. S. K. Hashmi*
    Gold-catalysed Cyclisation of Diynes: Controlling the Mode of 5-endo vs. 6-endo Cyclisation – An Experimental and Theoretical Case Study Utilizing Diethynylthiophenes
    Chem. Eur. J. 2014, 20, 2215-2223. (DOI: 10.1002/chem.201302967)

  26. M. M. Hansmann, M. Pernpointner*, R. Döpp, A. S. K. Hashmi*
    A Theoretical DFT-based and an Experimental Study of the Transmetalation Step in Au/Pd Mediated Cross-Coupling Reactions
    Chem. Eur. J. 2013, 19, 15290-15303. (DOI: 10.1002/chem.201301840)

  27. W. Yang, Y. Yu, T. Zhang, M. M. Hansmann, D. Pflästerer, A. S. K. Hashmi*
    Gold-Catalyzed Highly Diastereoselective Synthesis of Functionalized 3,4-Disubstituted Butyrolactams via Phosphatyloxy or Carbonate Double Migrations
    Adv. Synth. Catal. 2013, 335, 2037-2043. (DOI: 10.1002/adsc.201300158)
    Highlighted in SynFacts: Synfacts 2013, 9, 1086.

  28. R. L. Melen†, M. M. Hansmann†, A. J. Lough, A. S. K. Hashmi, D. W. Stephan*
    Cyclisation versus 1,1-Carboboration: Reactions of B(C6F5)3 with Propargylamides
    Chem. Eur. J. 2013, 19, 11928-11938. (DOI: 10.1002/chem.201301899) († equal contribution)

  29. M. M. Hansmann, A. S. K. Hashmi*, M. Lautens*
    Gold meets Rhodium: Tandem One-Pot Synthesis of β-Disubstituted Ketones via Meyer-Schuster Rearrangement and Asymmetric 1,4-Addition
    Org. Lett. 2013, 15, 3226-3229. (DOI: 10.1021/ol4011739)
    Highlighted in SynFacts: Synfacts 2013, 9, 1087.
    Highlighted on www.organic-chemistry.org

  30. M. M. Hansmann*, M. Rudolph, F. Rominger, A. S. K. Hashmi*
    Mechanistic switch in dual gold catalysis of diynes: C(sp3)-H activation through bifurcation – vinylidene versus carbene pathways
    Angew. Chem. Int. Ed. 2013, 52, 2593-2598. (DOI: 10.1002/anie.201208777)
    Mechanistisches Umschalten bei der dualen Goldkatalyse von Diinen: C(sp3)-H-Aktivierung über Bifurkation – Vinyliden- versus Carbenreaktionswege
    Angew. Chem. 2013, 125, 2653-2659. (DOI: 10.1002/ange.201208777)
    Classified as highly cited paper by Elsevier (> 100 citations)

  31. M. M. Hansmann*, F. Rominger, A. S. K. Hashmi*
    Gold-Allenylidenes – An experimental and theoretical study
    Chem. Sci 2013, 4, 1552-1559. (DOI: 10.1039/C3SC22227F)

  32. A. S. K. Hashmi*, W. Yang, Y. Yu, M. M. Hansmann, M. Rudolph, F. Rominger
    Gold-catalyzed formal 1,6-acyloxy migration leading to 3,4-disubstituted pyrrolidin-2-ones
    Angew. Chem. Int. Ed. 2013, 52, 1329-1332. (DOI: 10.1002/anie.201207287)
    Goldkatalysierte formale 1,6-Acyloxywanderung unter Bildung von 3,4-disubstituierten Pyrrolidin-2-onen
    Angew. Chem. 2013, 125, 1368-1371. (DOI: 10.1002/ange.201207287)
    Highlighted in SynFacts: Synfacts 2013, 9, 414.

  33. B. M. Trost*, D. A. Thaisrivongs, M. M. Hansmann
    Tandem Palladium(0)- and Palladium(II)-catalyzed allylic alkylation through complementary redox cycles
    Angew. Chem. Int. Ed. 2012, 51, 11522-11526. (DOI: 10.1002/anie.201204251)
    Angew. Chem. 2012, 124, 11690-11694. (DOI: 10.1002/ange.201204251)

  34. B. M. Trost*, M. M. Hansmann, D. A. Thaisrivongs
    Palladium-catalyzed alkylation of 1,4-dienes by C–H activation
    Angew. Chem. Int. Ed. 2012, 51, 4950-4953. (DOI: 10.1002/anie.201200601)
    Angew. Chem. 2012, 124, 5034-5037. (DOI: 10.1002/ange.201200601)

  35. A. S. K. Hashmi*, M. Pernpointner, M. M. Hansmann
    Theoretical insights into the superior activity of gold catalysts and reactions of organogold intermediates with electrophiles
    Faraday Discuss. 2011, 152, 179-184. (DOI: 10.1039/C1FD00029B)

  36. M. M. Hansmann, R. L. Melen, D. S. Wright*
    Group 13 BN dehydrocoupling reagents, similar to transition metal catalysts but with unique reactivity
    Chem. Sci. 2011, 2, 1554-1559. (DOI: 10.1039/C1SC00154J)

Patente

  1. Novel compounds exhibiting photopysical properties upon formation of Lewis acid-base adducts using non-chelating boranes, method for producing the same and devices including the same.
    M. M. Hansmann, A. S. K. Hashmi, C. Romero-Nieto, A. López-Andarias, E. Rettenmeier, C. Egler-Lucas
    Patent registration WO 2017/016653 A1; PCT/EP2016/001254.



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