Molecular Inorganic Chemistry and Catalysis

advancing low-valent main-group chemistry for sustainable synthesis, catalysis, and materials

Publications

2024

  1. F. Ebeler, B. Neumann, H.-G. Stammler, Israel Fernández, R. S. Ghadwal*
    Structural snapshots of reversible carbon dioxide capture and (de)oxygenation at group 14 diradicaloids
    Journal of the American Chemical Society 2024, 146, 34979–34989.
    DOI: https://pubs.acs.org/doi/10.1021/jacs.4c15062
  2. F. Ebeler, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, D. W. Szczepanik, R. S. Ghadwal*
    Annulated 1,4-disilabenzene-1,4-diide and dihydrogen splitting
    Journal of the American Chemical Society 2024, 146, 30584‒30595.
    DOI: https://pubs.acs.org/doi/10.1021/jacs.4c12127
  3. A. Merschel, S. Heda, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Annulated carbocyclic gallylene and bis-gallylene with two-coordinated Ga(I) atoms
    Chemical Science 2024, 15, asap.
    DOI: https://doi.org/10.1039/D4SC06782G
  4. A. Merschel, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Boosting the π-acceptor property of mesoionic carbenes by carbonylation with carbon monoxide
    Angewandte Chemie International Edition 2024, 63, e202318525.
    DOI: https://doi.org/10.1002/anie.202318525
  5. H. Steffenfauseweh, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, B. de Bruin, R. S. Ghadwal*
    N-Heterocyclic Carbene Analogues of Wittig Hydrocarbon
    Chemistry – A European Journal 2024, 30, e202400879.
    DOI: https://doi.org/10.1002/chem.202400879
  6. A. Merschel, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Access to a peri-annulated aluminium compound via C–H bond activation by a cyclic bis-aluminylene
    Chemistry – A European Journal 2024, 30, e202400293.
    DOI: https://doi.org/10.1002/chem.202400293
  7. A. Merschel, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Ring-opening of 1,3-imidazole based mesoionic carbenes (iMICs) and ring-closing clicks: Facile access to iMIC-compounds
    Chemistry – A European Journal 2024, 30, e202303652.
    DOI: https://doi.org/10.1002/chem.202303652
  8. F. Ebeler, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Divergent reactivity of a cyclic bis-hydridostannylene: A masked Sn(I) diradicaloid
    Chemistry – A European Journal 2024, 30, e202400382.
    DOI: https://doi.org/10.1002/chem.202400382
  9. F. Ebeler, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal* Isolation of an anionic dicarbene-embedded Sn2P2 cluster and reversible CO2 uptake
     Advanced Science 2024, 11, e202305545.
    DOI: https://doi.org/10.1002/advs.202305545.

    2023

  10. A. Merschel, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Highly soluble cyclic organoalanes based on anionic dicarbenes
    Chemistry – A European Journal 2023, 29, e202301037.
    DOI: https://doi.org/10.1002/chem.202301037
    Highlighted in ChemistryViews
  11. R. S. Ghadwal*
    1,3-Imidazole-based mesoionic carbenes and anionic dicarbenes: Pushing the limit of classical N-heterocyclic carbenes     (Minireview)
    Angewandte Chemie International Edition 2023, 62, e202304665.
    DOI: https://doi.org/10.1002/anie.202304665
  12. H. Steffenfauseweh, D. Rottschäfer, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, D. W. Szczepanik, R. S. Ghadwal*
    Isolation of an annulated 1,4-distibabenzene diradicaloid
    Angewandte Chemie International Edition 2023, 62, e202216003.
    DOI: https://doi.org/10.1002/anie.202216003 (Hot Paper

    Highlighted in ChemistryViews

  13. A. Merschel, D. Rottschäfer, B. Neumann, H.-G. Stammler, M. Ringenberg, M. van Gastel, T. I. Demirer, D. M. Andrada, R. S. Ghadwal*
    Crystalline anions based on classical N-heterocyclic carbenes
    Angewandte Chemie International Edition 2023, 62, e202215244.
    DOI: https://doi.org/10.1002/anie.202215244 (Hot Paper)
    Highlighted in ChemistryViews
    Cover page Angewandte Chemie 135(5)/2023H.

    2022

  14. Steffenfauseweh, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, D. M. Andrada, R. S. Ghadwal*
    Isolation of an arsenic diradicaloid with a cyclic C2As2-core
    Angewandte Chemie International Edition 2022, 61, e202207415.
    DOI: https://doi.org/10.1002/anie.202207415 (Hot Paper)

  15. R. S. Ghadwal*
    Tuning the electronic properties of main-group species by N-heterocyclic vinyl (NHV) scaffolds
    Accounts of Chemical Research 2022, 55, 457–470.
    DOI: https://doi.org/10.1021/acs.accounts.1c00701

  16. L. Weber,* F. Ebeler, R. S. Ghadwal*
    Advances and recent trends in dipnictenes chemistry
    Coordination Chemistry Review 2022, 461, 214499.
    DOI: https://doi.org/10.1016/j.ccr.2022.214499

  17. A. Merschel, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Crystalline phosphino-functionalized mesoionic olefins (p-MIOs)
    Dalton Transactions 2022, 51, 8217–8222.
    DOI: https://doi.org/10.1039/D2DT01314B

  18. F. Ebeler, Y. V. Vishnevskiy, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Mesoionic Dithiolates (MIDts) Derived from 1, 3‐Imidazole‐Based Anionic Dicarbenes (ADCs)
    Chemistry – A European Journal 2022, 28, e202200739.
    DOI: https://doi.org/10.1002/chem.202200739

    2021

  19. D. Rottschäfer, T. Glodde, B. Neumann, H.-G. Stammler, D. M. Andrada, R. S. Ghadwal*
    Isolation of 1,4-dirasinine-1,4-diide and 1,4-diarsinine derivatives
    Angewandte Chemie International Edition 2021, 60, 15849–15853.
    DOI: https://doi.org/10.1002/anie.202105835

  20. M. K. Sharma, D. Rottschäfer, B. Neumann, H.-G. Stammler, S. Danés, D. M. Andrada, M. van Gastel, A. Hinz, R. S. Ghadwal*
    Metalloradical cations and dications based on divinyldiphosphene and divinyldiarsene ligands
    Chemistry – A European Journal 2021, 27, 5803‒5809.
    DOI: https://doi.org/10.1002/chem.202100213

  21. M. K. Sharma, D. Rottschäfer, T. Glodde, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    An open‐shell singlet Sn(I) diradical and H2 splitting
    Angewandte Chemie International Edition 2021, 60, 6414‒6418.
    DOI: https://doi.org/10.1002/anie.202017078 (Hot Paper)

  22. M. K. Sharma, F. Ebeler, T. Glodde, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Isolation of a Ge(I) diradicaloid and dihydrogen splitting
    Journal of the American Chemical Society 2021, 143, 121‒125.
    DOI: https://doi.org/10.1021/jacs.0c11828

  23. A. Merschel, T. Glodde, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Nickel catalyzed intramolecular 1,2‐aryl migration of mesoionic carbenes (iMICs)
    Angewandte Chemie International Edition 2021, 60, 2969–2973.
    DOI: https://doi.org/10.1002/anie.202014328

  24. D. Rottschäfer, B. Neumann, H.-G. Stammler, T. Sergeieva, D. M. Andrada, R. S. Ghadwal*
    Isolation of a 16π-electrons 1,4-diphosphinine-1,4-diide with a planar C4P2 Ring
    Chemistry – A European Journal 2021, 27, 3055‒3064.
    DOI: https://doi.org/10.1002/chem.202003617

    2020

  25. D. Rottschäfer, B. Neumann, H.-G. Stammler, D. M. Andrada, R. S. Ghadwal*
    Isolation of elusive electrophilic phosphinidene complexes with π-donor N-heterocyclic vinyl substituents
    Journal of Organic Chemistry 2020, 85, 14351‒14359.
    DOI: https://dx.doi.org/10.1021/acs.joc.0c00176

  26. Rottschäfer, D. E. Fuhs, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Saturated NHC derived dichalcogen dications
    Zeitschrift für Anorganische und Allgemeine Chemie 2020, 646, 574‒579.
    DOI: https://doi.org/10.1002/zaac.202000189

  27. M. K. Sharma, T. Glodde, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Distannabarrelenes with three coordinated Sn(II) atoms
    Chemistry – A European Journal 2020, 26, 11113‒11118.
    DOI: https://dx.doi.org/10.1002/chem.202001432
  28. A. Merschel, D. Rottschäfer, B. Neumann, H.-G. Stammler, R. S. Ghadwal* Quantifying the electronic and steric properties of 1,3-imidazol-based mesoionic carbenes (iMICs)
    Organometallics 2020, 39, 1719‒1729.
    DOI: https://dx.doi.org/10.1021/acs.organomet.0c00045
  29. M. K. Sharma, S. Blomeyer, T. Glodde, B. Neumann, H.-G. Stammler, A. Hinz, M. van Gastel, R. S. Ghadwal*
    Isolation of singlet carbene derived 2-phospha-1,3-butadienes and their sequential one-electron oxidation to radical cations and dications
    Chemical Science 2020, 11, 1975‒1984.
    DOI: http://dx.doi.org/10.1039/C9SC05598C
  30. M. K. Sharma, S. Blomeyer, B. Neumann, H.-G. Stammler, A. Hinz, M. van Gastel, R. S. Ghadwal*

    Isolation of singlet carbene derived 2-arsa-1,3-butadiene radical cations and dications
    Chemical Communications 2020, 56, 3575‒3578.
    DOI: http://dx.doi.org/10.1039/D0CC00624F

  31. D. Rottschäfer, T. Glodde, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    A crystalline C5-protonated 1,3-imidazol-4-ylidene
    Chemical Communications 2020, 56, 2027‒2030.
    DOI: https://doi.org/10.1039/D0CC00624F

    2019

  32. M. K. Sharma, D. Rottschäfer, S. Blomeyer, B. Neumann, H.-G. Stammler, M. van Gastel, A. Hinz, R. S. Ghadwal*
    Diphosphene radical cations and dications with a π-conjugated C2P2C2-framework
    Chemical Communications 2019, 55, 10408‒10411.
    DOI: http://dx.doi.org/10.1039/C9CC04701H

  33. M. K. Sharma, B. Neumann, H.-G. Stammler, D. M. Andrada, R. S. Ghadwal*
    Electrophilic terminal arsinidene-iron(0) complexes with a two-coordinated arsenic atom
    Chemical Communications 2019, 55, 14669‒14672.
    DOI: http://dx.doi.org/10.1039/C9CC08630G
  34. M. K. Sharma, S. Blomeyer, B. Neumann, H.-G. Stammler, M. van Gastel, A. Hinz, R. S. Ghadwal*
    Crystalline divinyldiarsene radical cations and dications
    Angewandte Chemie International Edition 2019, 58, 17599‒17603.
    DOI: https://doi.org/10.1002/anie.201909144
  35. M. K. Sharma, S. Blomeyer, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Crystalline divinyldiarsenes and cleavage of the As=As bond
    Chemistry ‒ a European Journal 2019, 25, 8249‒8253.
    DOI: https://doi.org/10.1002/chem.201901857
  36. D. Rottschäfer, M. K. Sharma, B. Neumann, H.-G. Stammler, D. M. Andrada, R. S. Ghadwal*
    A modular access to divinyldiphosphenes with a strikingly small HOMO-LUMO energy gap
    Chemistry – a European Journal 2019, 25, 8127‒8134.
    DOI: https://doi.org/10.1002/chem.201901204

  37. D. Rottschäfer, B. Neumann, H.-G. Stammler, R. Kishi, M. Nakano, R. S. Ghadwal*
    A phosphorus analogue of p-quinodimethane with a planar P4 ring: a metal-free diphosphorus source.
    Chemistry – a European Journal 2019, 25, 3244‒3247.
    DOI: https://doi.org/10.1002/chem.201805932

  38. D. Rottschäfer, S. Blomeyer, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Direct functionalization of white phosphorus with anionic dicarbenes and mesoionic carbenes: facile access to 1,2,3-triphosphol-2-ides
    Chemical Science 2019, 10, 11078‒11085.
    DOI: http://dx.doi.org/10.1039/C9SC04441H

  39. R. S. Ghadwal*
    Stable carbon-centered radicals based on N-heterocyclic carbenes
    Synlett 2019, 30, 1765‒1775.
    DOI: https://doi.org/10.1055/s-0037-1611887

    2018

  40. D. Rottschäfer, B. Neumann, H.-G. Stammler, M. van Gastel, R. Kishi, M. Nakano, R. S. Ghadwal*
    Diradical character enhancement by spacing: N-heterocyclic carbene analogues of Muller’s hydrocarbon.
    Chemistry – a European Journal 2018, 24, 16537‒16542.
    DOI: https://doi.org/10.1002/chem.201804524

  41. D. Rottschäfer, N. K. T. Ho, B. Neumann, H.-G. Stammler, M. van Gastel, D. M. Andrada, R. S. Ghadwal*
    N-Heterocyclic carbene analogues of Thiele and Chichibabin hydrocarbons
    Angewandte Chemie International Edition 2018, 57, 5838‒5842.
    DOI: https://doi.org/10.1002/anie.201713346

  42. D. Rottschäfer, B. Neumann, H.-G. Stammler, M. van Gastel, D. M. Andrada, R. S. Ghadwal*
    Crystalline radicals derived from classical N‐heterocyclic carbenes
    Angewandte Chemie International Edition 2018, 57, 4765‒4768.
    DOI: https://doi.org/10.1002/anie.201801596

  43. D. Rottschäfer, B. Neumann, H.-G. Stammler, D. M. Andrada, R. S. Ghadwal*
    Kekulé diradicaloids derived from a classical N-heterocyclic carbene
    Chemical Science 2018, 9, 4970–4976.
    DOI: http://dx.doi.org/10.1039/C8SC01209A

  44. D. Rottschäfer, F. Ebeler, T. Strothmann, B. Neumann, H.-G. Stammler, A. Mix, R. S. Ghadwal*
    The viability of C5-protonated- and C4,C5-ditopic carbanionic abnormal NHCs: A new dimension in NHC chemistry
    Chemistry ‒ a European Journal 2018, 24, 3716‒3720.
    DOI: https://doi.org/10.1002/chem.201800260

  45. D. Rottschäfer, S. Blomeyer, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    Silylene-functionalized N-heterocyclic carbene (Si-NHC)
    Chemistry ‒ a European Journal 2018, 24, 380‒387.
    DOI: https://doi.org/10.1002/chem.201703530
    Highlighted as Cover page and authors profile

    2017

  46. D. Rottschäfer, B. Neumann, H.-G. Stammler, R. S. Ghadwal*
    N-Heterocyclic Vinylidene-Stabilized Phosphorus Biradicaloid
    Chemistry ‒ a European Journal 2017, 23, 9044‒9047.
    DOI: https://doi.org/10.1002/chem.201702433

  47. N. K. T. Ho, S. O. Reichmann, D. Rottschäfer, R. Herbst-Irmer, R. S. Ghadwal*
    Expanding the scope of Cu(I) catalyzed “Click Chemistry” with abnormal NHCs: Three-fold click to tris-triazoles
    Catalysts 2017, 7, 262.
    DOI: https://doi.org/10.3390/catal7090262

  48. N. K. T. Ho, B. Neumann, H.-G. Stammler, V. H. Menezes da Silva, D. G. Watanabe, A. A. C. Braga, R. S. Ghadwal*
    Nickel-catalysed direct C2-arylation of N-heterocyclic carbenes
    Dalton Transactions 2017, 46, 12027‒12031.
    DOI: https://doi.org/10.1039/C7DT03099A

  49. R. S. Ghadwal,* D. Rottschäfer, D. M. Andrada, G. Frenking, C. J. Schürmann, H.-G. Stammler
    Normal-to-abnormal rearrangement of an N-heterocyclic carbene with a silylene transition metal complex
    Dalton Transactions 2017, 46, 7791‒7799.
    DOI: https://doi.org/10.1039/C7DT01199G

  50. R. S. Ghadwal,*J.-H. Lamm, D. Rottschäfer, C. J. Schürmann, S. Demeshko
    Facile routes to abnormal-NHC-cobalt(II) complexes
    Dalton Transactions 2017, 46, 7664‒7667.
    DOI: https://doi.org/10.1039/C7DT01778B
    Highlighted in ChemistryViews

    2016

  51. D. Rottschäfer, C. J. Schürmann, J.-H. Lamm, A. N. Paesch, B. Neumann, R. S. Ghadwal*
    Abnormal-NHC palladium(II) complexes: Rational synthesis, structural elucidation, and catalytic activity
    Organometallics 2016, 35, 3421‒3429.
    DOI: http://dx.doi.org/10.1021/acs.organomet.6b00662

  52. N. B. Sharma, J. Shahai, R. S. Ghadwal, A. Singh, E. Jeanneau, S. Mishra
    Homometallic glycolates containing hydroxyl functionality for anchoring another metal: synthesis and characterization of heterometallic alkoxide–glycolates of Ti and Zr incorporating Al and Nb
    Journal of Coordination Chemistry 2016, 69, 135‒148.
    DOI: http://dx.doi.org/10.1080/00958972.2015.1112900

  53. R. S. Ghadwal, A. P. Singh, A. Singh
    Synthesis and spectroscopic characterization of trimethylsilicon- And tributyltin-tris(glycolato)niobates
    Journal of the Indian Chemical Society 2016, 93, 965‒970.

  54. R. S. Ghadwal,* D. Rottschäfer, C. J. Schürmann
    Expedient access to normal- and abnormal- N-heterocyclic carbene (NHC) magnesium compounds from imidazolium salts
    Zeitschrift für Anorganische und Allgemeine Chemie 2016, 642, 1236‒1240.
    DOI: https://doi.org/10.1002/zaac.201600308

  55. R. S. Ghadwal*
    Carbon-based two electron sigma-donor ligands beyond classical N-heterocyclic carbenes
    Dalton Transactions 2016, 45, 16081‒16095.
    DOI: https://doi.org/10.1039/C6DT02158A

    2015

  56. R. S. Ghadwal,* C. J. Schürmann, D. M. Andrada, G. Frenking
    Mono- and di-cationic hydrido boron compounds
    Dalton Transactions 2015, 44, 14359‒14367.
    DOI: https://doi.org/10.1039/C5DT02237A

  57. R. S. Ghadwal,* S. O. Reichmann, R. Herbst-Irmer
    Palladium-catalyzed direct C2-arylation of an N-heterocyclic carbene: An atom-economic route to mesoionic carbene ligands
    Chemistry ‒ a European Journal 2015, 21, 4247‒4251.
    DOI: https://doi.org/10.1002/chem.201405923

    2014

  58. R. S. Ghadwal,* C. J. Schürmann, F. Engelhardt, C. Steinmetzger
    Unprecedented borylene insertion into a C–N bond
    European Journal of Inorganic Chemistry 2014, 4908‒4908.
    DOI: http://dx.doi.org/10.1002/ejic.201402872
    Highlighted as Cover page and authors profile

  59. R. S. Ghadwal, A. Singh
    Synthesis and spectroscopic characterisation of heterobimetallic oxovanadimn(V) 2,5-dimethyl-2,5-hexanediolate-alkoxides
    Journal of the Indian Chemical Society 2014, 91, 2051‒2055.

  60. R. S. Ghadwal,* S. O. Reichmann, E. Carl, R. Herbst-Irmer
    Synthesis and structural investigation of R2Si (R = Me, Ph) bridged di-N-heterocyclic carbenes
    Dalton Transactions 2014, 43, 13704‒13710.
    DOI: https://doi.org/10.1039/C4DT01681E

    2013

  61. R. S. Ghadwal,* S. O. Reichmann, F. Engelhardt, A. M. Andrada, G. Frenking
    Facile access to silyl-functionalized N-heterocyclic olefins with HSiCl3
    Chemical Communications 2013, 49, 9440‒9442.
    DOI: https://doi.org/10.1039/C3CC45652H

  62. R. S. Ghadwal,* R. Azhakar, H. W. Roesky
    Dichlorosilylene: a high temperature transient species to an indispensable building block
    Accounts of Chemical Research 2013, 46, 444‒456.
    DOI: https://doi.org/10.1021/ar300196u

  63. R. S. Ghadwal,* R. Azhakar, K. Pröpper, B. Dittrich, M. John
    Selective functionalization of a bis-silylene
    Chemical Communications 2013, 49, 5987‒5989.
    DOI: https://doi.org/10.1039/C3CC43199A

  64. R. Azhakar, R. S. Ghadwal,* H. W. Roesky, R. A. Mata, H. Wolf, R. Herbst-Irmer, D. Stalke
    Reaction of N-heterocyclic silylenes with thioketone: Formation of silicon-sulfur three (Si-C-S)- and five (Si-C-C-C-S)-membered ring systems
    Chemistry ‒ a European Journal 2013, 19, 3715‒3720.
    DOI: https://doi.org/10.1002/chem.201203242

  65. R. Azhakar, R. S. Ghadwal,* H. W. Roesky, J. Hey, L. Krause, D. Stalke
    Mixed valence η6-arene cobalt(I) and cobalt(II) compound
    Dalton Transactions 2013, 42, 10277‒10281.
    DOI: https://doi.org/10.1039/C3DT50939G

    2012 (PostDoc)

  66. A. P. Singh, R. S. Ghadwal,* H. W. Roesky, J. J. Holstein, B. Dittrich, J.-P. Demers, V. Chevelkov, A. Lange
    Lewis base mediated dismutation of trichlorosilane
    Chemical Communications 2012, 48, 7574‒7576.
    DOI: https://doi.org/10.1039/C2CC33835A

  67. P. P. Samuel, R. Azhakar, R. S. Ghadwal,* S. S. Sen, H. W. Roesky, M. Granitzka, J. Matussek, R. Herbst-Irmer, D. Stalke
    Stable silaimines with three- and four-coordinate silicon atoms
    Inorganic Chemistry 2012, 51,11049‒11054.
    DOI: https://doi.org/10.1021/ic301543y

  68. R. S. Ghadwal,* R. Azhakar, H. W. Roesky, K. Pröpper, B. Dittrich, C. Goedecke, G. Frenking
    Donor-acceptor stabilized silaformyl chloride
    Chemical Communications 2012, 48, 8186‒8188.
    DOI: https://doi.org/10.1039/C2CC32887A

  69. R. Azhakar, H. W. Roesky, R. S. Ghadwal,* J. J. Holstein, B. Dittrich
    An access to base-stabilized three-membered silicon heterocycles
    Dalton Transactions 2012, 41, 9601‒9603.
    DOI: https://doi.org/10.1039/C2DT31326J

  70. R. Azhakar, R. S. Ghadwal,* H. W. Roesky, H. Wolf, D. Stalke
    A debut for base stabilized monoalkylsilylenes
    Chemical Communications 2012, 48, 4561‒4563.
    DOI: https://doi.org/10.1039/C2CC31041D

  71. R. Azhakar, R. S. Ghadwal,* H. W. Roesky, H. Wolf, D. Stalke
    Stabilization of low valent silicon fluorides in the coordination sphere of transition metals
    Journal of the American Chemical Society 2012, 134, 2423‒2428.
    DOI: https://doi.org/10.1021/ja210697p

  72. R. Azhakar, R. S. Ghadwal,* H. W. Roesky, H. Wolf, D. Stalke
    Facile access to the functionalized N-donor stabilized silylenes PhC(NtBu)2SiX (X = PPh2, NPh2, NCy2, NiPr2, NMe2, N(SiMe3)2, OtBu)
    Organometallics 2012, 31, 4588‒4592.
    DOI: https://doi.org/10.1021/om3003762

  73. R. Azhakar, R. S. Ghadwal,* H. W. Roesky, J. Hey, D. Stalke
    Facile access to transition-metal-carbonyl complexes with an amidinate-stabilized chlorosilylene Ligand
    Chemistry ‒ an Asian Journal 2012, 7, 528‒533.
    DOI: https://doi.org/10.1002/asia.201100722

  74. R. Azhakar, R. S. Ghadwal, H. W. Roesky, J. Hey, D. Stalke
    Double N-H bond activation of N,N‘-bis-substituted hydrazines with stable N-heterocyclic silylene
    Dalton Transactions 2012, 41, 1529‒1533.
    DOI: https://doi.org/10.1039/C1DT11708D

  75. R. Azhakar, R. S. Ghadwal,* H. W. Roesky, M. Granitzka, D. Stalke
    Reactivity studies of a stable N-heterocyclic silylene with triphenylsilanol and pentafluorophenol
    Organometallics 2012, 31, 5506‒5510.
    DOI: https://doi.org/10.1021/om300476q

    2011 (PostDoc)

  76. S. S. Sen, R. S. Ghadwal, D. Kratzert, D. Stern, H. W. Roesky, D. Stalke
    Synthesis and structure of [{PhC(NtBu)2}2Ge2(μ-S)2Cl2] and a germanium dithiocarboxylate analogue
    Organometallics 2011, 30, 1030‒1033.
    DOI: https://doi.org/10.1021/om101074j

  77. P. W. Percival, J. C. Brodovitch, M. Mozafari, A. Mitra, R. West, R. S. Ghadwal, R. Azhakar, H. W. Roesky
    Free radical reactivity of mono- and dichlorosilylene with muonium
    Chemistry ‒ a European Journal 2011, 17, 11970‒11973.
    DOI: https://doi.org/10.1002/chem.201102405

  78. R. S. Ghadwal, H. W. Roesky, K. Pröpper, B. Dittrich, S. Klein, G. Frenking
    A dimer of silaisonitrile with two-coordinate silicon atoms
    Angewandte Chemie International Edition 2011, 50, 5374‒5378.
    DOI: https://doi.org/10.1002/anie.201101320

  79. R. S. Ghadwal, K. Pröpper, B. Dittrich, P.G. Jones, H. W. Roesky
    Neutral pentacoordinate silicon fluorides derived from amidinate, guanidinate, and triazapentadienate ligands and base-induced disproportionation of Si2Cl6 to stable silylenes
    Inorganic Chemistry 2011, 50, 358‒364.
    DOI: https://doi.org/10.1021/ic1020548

  80. R. S. Ghadwal,* R. Azhakar, H. W. Roesky, K. Pröpper, B. Dittrich, S. Klein, G. Frenking
    Donor-acceptor-stabilized silicon analogue of an acid anhydride
    Journal of the American Chemical Society 2011, 133, 17552‒17555.
    DOI: https://doi.org/10.1021/ja206702e

  81. R. S. Ghadwal,* R. Azhakar, K. Propper, J. J. Holstein, B. Dittrich, H. W. Roesky
    N-Heterocyclic carbene stabilized dichlorosilylene transition-metal complexes of V(I), Co(I), and Fe(0)
    Inorganic Chemistry 2011, 50, 8502‒8508.
    DOI: https://doi.org/10.1021/ic201096c

  82. R. Azhakar, R. S. Ghadwal, H. W. Roesky, J. Hey, D. Stalke
    Reactions of stable N-heterocyclic silylenes with ketones and 3,5-di-tert-butyl-o-benzoquinone
    Organometallics 2011, 30, 3853‒3858.
    DOI: https://doi.org/10.1021/om200388a

    2010 (PostDoc)

  83. J. Li, S. Merkel, J. Henn, K. Meindl, A. Doring, H. W. Roesky, R. S. Ghadwal, D. Stalke
    Lewis-base-stabilized dichlorosilylene: A two-electron σ-donor ligand
    Inorganic Chemistry 2010, 49, 775‒777.
    DOI: https://doi.org/10.1021/ic9023162

  84. R. S. Ghadwal, S. S. Sen, H. W. Roesky, M. Granitzka, D. Kratzert, S. Merkel, D. Stalke
    Convenient access to monosilicon epoxides with pentacoordinate silicon
    Angewandte Chemie International Edition 2010, 49, 3952‒3955.
    DOI: https://doi.org/10.1002/anie.201000835

  85. R. S. Ghadwal, H. W. Roesky, C. Schulzke, M. Granitzka
    N-Heterocyclic carbene stabilized dichlorosilaimine IPr·Cl2Si:NR
    Organometallics 2010, 29, 6329‒6333.
    DOI: https://doi.org/10.1021/om100737v

  86. R. S. Ghadwal, H. W. Roesky, S. Merkel, D. Stalke
    Ambiphilicity of dichlorosilylene in a single molecule
    Chemistry ‒ a European Journal 2010, 16, 85‒88.
    DOI: https://doi.org/10.1002/chem.200902930

  87. R. S. Ghadwal, H. W. Roesky, M. Granitzka, D. Stalke
    A facile route to functionalized N-heterocyclic carbenes (NHCs) with NHC base-stabilized dichlorosilylene
    Journal of the American Chemical Society 2010, 132, 10018‒10020.
    DOI: https://doi.org/10.1021/ja104386g

    2009 (PostDoc)

  88. N. B. Sharma, R. S. Ghadwal, A. Singh
    Synthesis and spectroscopic structural elucidation of some novel heterobimetallic complexes of monoorganotin(IV)
    Main Group Metal Chemistry 2009, 32, 253‒262.
    DOI: https://doi.org/10.1515/MGMC.2009.32.5.253

  89. R. S. Ghadwal, S. S. Sen, H. W. Roesky, G. Tavcar, S. Merkel, D. Stalke
    Neutral penta- and hexacoordinate N-heterocyclic carbene complexes derived from SiX4 (X = F, Br)
    Organometallics 2009, 28, 6374‒6377.
    DOI: https://doi.org/10.1021/om9007696

  90. R. S. Ghadwal, H. W. Roesky, S. Merkel, J. Henn, D. Stalke
    Lewis base stabilized dichlorosilylene
    Angewandte Chemie International Edition 2009, 48, 5683‒5686.
    DOI: https://doi.org/10.1002/anie.200901766

  91. R. S. Ghadwal, H. W. Roesky, R. Herbst-Irmer, P. G. Jones
    N-Heterocyclic carbene adducts of aluminum triiodide
    Zeitschrift für Anorganische und Allgemeine Chemie 2009, 635, 431‒433.
    DOI: https://doi.org/10.1002/zaac.200801350

    2004‒2008 (PhD)

  92. N. B. Sharma, R. S. Ghadwal, A. Singh
    Synthesis and characterisation of some novel seven-membered heterocyclic antimony(III) glycolate complexes
    Main Group Metal Chemistry 2008, 31, 217‒225.
    DOI: https://doi.org/10.1515/MGMC.2008.31.5.217

  93. R. S. Ghadwal, A. Singh
    Synthesis and spectroscopic properties of some new metallatranes
    Indian Journal of Chemistry 2007, 46A, 768‒771.
    URL: http://nopr.niscair.res.in/handle/123456789/1195

  94. R. S. Ghadwal, A. Singh
    Synthesis and spectroscopic characterisation of a new class of heterobimetallic homoleptic diethanolaminate complexes of niobium(V) and tantalum(V)
    Journal of Chemical Research 2006, 451‒455.
    DOI: https://doi.org/10.3184/030823406777980664

  95. R. S. Ghadwal, A. Singh
    Synthesis and spectroscopic properties of homo- and heterobimetallic complexes of oxovanadium(V)
    Journal of Chemical Sciences 2006, 118, 165‒170.
    DOI: https://doi.org/10.1007/BF02708468

  96. R. S. Ghadwal, A. Singh
    Synthesis and spectroscopic characterization of mixed ligand complexes of oxovanadium(V)
    Indian Journal of Chemistry 2006, 45A, 2644‒2649.
    URL: http://nopr.niscair.res.in/handle/123456789/18007

  97. R. S. Ghadwal, R. C. Mehrotra, A. Singh
    Synthesis and spectroscopic [IR, NMR (1H, 27Al and 51V)] characterization of heterobimetallic glycolate- and diethanolaminate-isopropoxide complexes of aluminum
    Main Group Metal Chemistry 2006, 29, 1‒9.
    DOI: https://doi.org/10.1515/MGMC.2006.29.1.1

  98. R. S. Ghadwal, R. C. Mehrotra, A. Singh
    Synthesis and spectroscopic properties of the first series of heteronuclear derivatives containing organosilicon/organotin (IV) and oxovanadium (V) moieties
    Phosphorus, Sulfur, Silicon and the Related Elements 2006, 181, 113‒123.
    DOI: https://doi.org/10.1080/104265090969036

  99. N. B. Sharma, R. S. Ghadwal, A. Singh
    Preparation and characterization of heteronuclear mixed ligand complexes of aluminum containing organosilicon/organotin moieties
    Main Group Metal Chemistry 2005, 28, 173‒183.
    DOI: https://doi.org/10.1515/MGMC.2005.28.4.173

  100. R. S. Ghadwal, A. Singh, R. C. Mehrotra
    Synthesis and characterisation of heterobimetallic N-(hydroxyethyl)salicylaldiminate-isopropoxide complexes of oxovanadium(V)
    Transition Metal Chemistry 2005, 30, 268‒272.
    DOI: https://doi.org/10.1007/s11243-004-3766-8

  101. R. S. Ghadwal, A. Singh
    Synthesis and characterization of heterobimetallic N-substituted diethanolaminate-alkoxides of niobium(V)
    Indian Journal of Chemistry 2005, 44A, 2439‒2444.
    URL: http://nopr.niscair.res.in/handle/123456789/20239

  102. R. S. Ghadwal, R. C. Mehrotra, A. Singh
    Preparation and spectroscopic characterization of a series of heterobimetallic N-phenyldiethanolaminate-alkoxide derivatives of oxovanadium(V)
    Journal of Chemical Research 2005, 352‒355.
    DOI: https://doi.org/10.3184/0308234054506857

  103. R. S. Ghadwal, R. C. Mehrotra, A. Singh
    Synthesis and spectroscopic characterization of two different types of heterobimetallic glycolate complexes of niobium(V)
    Transition Metal Chemistry 2005, 30, 836‒844.
    DOI: https://doi.org/10.1007/s11243-005-6258-6

  104. R. S. Ghadwal, R. C. Mehrotra, A. Singh
    Preparation and spectroscopic [IR, NMR (1H, 11B, 27Al, 51V)] characterisation of new types of heteronuclear derivatives of aluminium and boron containing bis(2,5-dimethyl-2,5-hexanediolato)oxovanadium(V) group
    Main Group Metal Chemistry 2004, 27, 199‒209.
    DOI: https://doi.org/10.1515/MGMC.2004.27.4.199

  105. R. S. Ghadwal, M. Sharma, A. Singh, R. C. Mehrotra
    Synthesis and spectroscopic characterisation of six-coordinate complexes of oxovanadium(V)
    Transition Metal Chemistry 2004, 29, 419‒424.
    DOI: https://doi.org/10.1023/B:TMCH.0000027460.70418.98

  106.  

© 2024 Ghadwal Research Group

Anorganische Chemie und Strukturchemie (ACS), Fakultät für Chemie
Universität Bielefeld, E4-124, Universiätsstr. 25, D-33615 Bielefeld
Tel: 0049-521-106-6167 (Off.); Fax:0049-521-106-6026
E-mail: rghadwal@uni-bielefeld.de

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