Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Stephan Hagspiel"'
Autor:
Stephan Hagspiel, Felipe Fantuzzi, Merle Arrowsmith, Annalena Gärtner, Maximilian Fest, Jonas Weiser, Bernd Engels, Holger Helten, Holger Braunschweig
Publikováno v:
Chemistry – A European Journal. 28
The reaction of a cyclic alkyl(amino)carbene (CAAC)-stabilized thiazaborolo[5,4-d]thiazaborole (TzbTzb) with strong Brønsted acids, such as HCl, HOTf (Tf=O
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99ef116988f2ef1a2ba35b6c86e67166
https://doi.org/10.1002/chem.202201398
https://doi.org/10.1002/chem.202201398
Autor:
Stephan Hagspiel, Alexander Hermann, Holger Braunschweig, Anna Rempel, Tobias Brückner, Felipe Fantuzzi, Merle Arrowsmith, Alfredo Vargas
Publikováno v:
Angewandte Chemie. 133:6519-6524
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::021effb994a23247ee3934ab20fe6fc1
https://doi.org/10.1002/ange.202015508
https://doi.org/10.1002/ange.202015508
Autor:
Regina Drescher, Stephan Hagspiel, Alexander Hermann, Ivo Krummenacher, Holger Braunschweig, Valerie Paprocki, Felipe Fantuzzi, Merle Arrowsmith
Publikováno v:
Chemical Science
A doubly cyclic (alkyl)(amino)carbene-stabilised dihydroboronium cation undergoes fully reversible 2e– reduction to a stable hydroboryl anion via B-to-C hydrogen migration. Subsequent 1e– oxidation yields a bench-stable neutral hydroboryl radical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20b316981d450f50d3c4e0cb2b962efc
https://doi.org/10.1039/c9sc05026d
https://doi.org/10.1039/c9sc05026d
Autor:
Wei Lu, Arumugam Jayaraman, Felipe Fantuzzi, Rian D. Dewhurst, Marcel Härterich, Maximilian Dietz, Stephan Hagspiel, Ivo Krummenacher, Kai Hammond, Jingjing Cui, Holger Braunschweig
Publikováno v:
Angewandte Chemie. 134
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2b3f8e7ff1f5a6dd4e56fd421b5f47a
https://doi.org/10.1002/ange.202113947
https://doi.org/10.1002/ange.202113947
Autor:
Stephan Hagspiel, Kai Hammond, Marcel Härterich, Ivo Krummenacher, Wei Lu, Jingjing Cui, Arumugam Jayaraman, Maximilian Dietz, Felipe Fantuzzi, Rian D. Dewhurst, Holger Braunschweig
Publikováno v:
Angewandte Chemie (International ed. in English). 61(3)
A one-pot synthesis of a CAAC-stabilized, unsymmetrical, cyclic diborene was achieved via consecutive two-electron reduction steps from an adduct of CAAC and B\(_2\)Br\(_4\)(SMe\(_2\))\(_2\). Theoretical studies revealed that this diborene has a cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aca94c3bb1c767a361d7fe6b333550f6
https://pubmed.ncbi.nlm.nih.gov/34750945
https://pubmed.ncbi.nlm.nih.gov/34750945
Autor:
Siyuan Liu, Alexander Hofmann, Stephan Hagspiel, Marc-André Légaré, Anna Rempel, Holger Braunschweig
Publikováno v:
Chemical Science. 10:4662-4666
We report the selective insertion of a range of borylene fragments into the E-E bonds (E = S, Se, Te) of cyclic boron dichalcogenides. This method provides facile synthetic access to a variety of symmetrical and unsymmetrical four- and five-membered
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caec6d946f0ccdfda60457e583b5ba39
https://doi.org/10.1039/c9sc00657e
https://doi.org/10.1039/c9sc00657e
Autor:
Felipe Fantuzzi, Holger Braunschweig, Merle Arrowsmith, Alfredo Vargas, Ivo Krummenacher, Anna Rempel, Stephan Hagspiel, Dren Elezi, Marcel Härterich
Publikováno v:
Chemical Science
Doubly base-stabilised cyano- and isothiocyanatoborylenes of the form LL′BY (L = CAAC = cyclic alkyl(amino)carbene; L′ = NHC = N-heterocyclic carbene; Y = CN, NCS) coordinate to group 6 carbonyl complexes via the terminal donor of the pseudohalid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92ffe1fd7ad4d501003a5f8a01dbeb71
https://kar.kent.ac.uk/96291/1/d1sc01580j.pdf
https://kar.kent.ac.uk/96291/1/d1sc01580j.pdf
Autor:
Stephan Hagspiel, Annalena Gärtner, Rian D. Dewhurst, Felix Lindl, Anna Lamprecht, Felipe Fantuzzi, Holger Braunschweig
Publikováno v:
Angewandte Chemie (International Ed. in English)
The first examples of Lewis base adducts of the parent boraphosphaketene (H2B‐PCO) and their cyclodimers are prepared. One of these adducts is shown to undergo mild decarbonylation and phosphinidene insertion into a B−C bond of a borole, forming
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1114a685dc481a8a5d7abd63c974a8de
https://kar.kent.ac.uk/96285/1/ANGEWC~1.PDF
https://kar.kent.ac.uk/96285/1/ANGEWC~1.PDF
Autor:
Annalena Gärtner, Rian D. Dewhurst, Stephan Hagspiel, Anna Lamprecht, Felipe Fantuzzi, Holger Braunschweig, Felix Lindl
Die ersten Beispiele für Lewis-Basen-Addukte des Stammboraphosphaketens H\(_{2}\)B-PCO und ihre cyclischen Dimere wurden hergestellt. Eines dieser Addukte zeigt unter milden Bedingungen eine Decarbonylierung und anschließende Insertion des Phosphin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0a6a3e40f09190f2d5d57b29998cdd1
https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-244803
https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-244803
Autor:
Stephan Hagspiel, Alexander Hermann, Merle Arrowsmith, Tobias Brückner, Anna Rempel, Felipe Fantuzzi, Holger Braunschweig, Alfredo Vargas
Publikováno v:
Angewandte Chemie (International Ed. in English)
Reduction of (CAAC)BBr2(NCS) (CAAC=cyclic alkyl(amino)carbene) in the presence of a Lewis base L yields tricoordinate (CAAC)LB(NCS) borylenes which undergo reversible E/Z‐isomerization. The same reduction in the absence of L yields deep blue, bis(C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d69981dc3d08590dc5f7e3d56b40e82e
https://opus.bibliothek.uni-wuerzburg.de/files/25643/Angew_Chem_Int_Ed_2021_Hagspiel_Highly_Colored_Boron_Doped.pdf
https://opus.bibliothek.uni-wuerzburg.de/files/25643/Angew_Chem_Int_Ed_2021_Hagspiel_Highly_Colored_Boron_Doped.pdf