Výsledky vyhledávání - "Thorsten vom Stein"

Rapid Access to Bi- and Tri-Functionalized Dibenzofurans and their Application in Selective Suzuki-Miyaura Cross Coupling Reactions

Autor: Burkhard König, Caroline Wern, Christian Ehrenreich, Thorsten vom Stein, Herwig Buchholz, Dominik Joosten

Publikováno v: European Journal of Organic Chemistry. 2018:5644-5656

Syntheses of 1,2-, 1,3-, 1,4-, 1,8-, 2,4-, 3,4-, 4,8-, 1,2,4-, 1,2,8- and 1,3,4-functionalized dibenzofurans in few steps with good to excellent yields starting from dibenzofuran-1-ol or -4-ol are presented. These rapidly accessible bi- or tri-functi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::812d36f2e9894bfdcb2f59d4cbdba396
https://doi.org/10.1002/ejoc.201801286

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Cooperative Lewis acidity in borane-substituted fluorophosphonium cations

Autor: Thorsten vom Stein, Douglas W. Stephan, Juri Möbus

Publikováno v: Chemical Communications. 52:6387-6390

Fluorophosphonium salts C6X4(BR2)Ph2PF[B(C6F5)4] (X = H, F; R = Cy, Mes) exhibit enhanced Lewis acid catalytic reactivity as a results of the proximity of the fluorophosphonium and borane moieties.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c41c853e07db72f896525c5dad3c361c
https://doi.org/10.1039/c6cc02607a

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Lewis acid catalysis: catalytic hydroboration of alkynes initiated by Piers' borane

Autor: Frank Glorius, Thorsten vom Stein, Douglas W. Stephan, Mirco Fleige, Juri Möbus

Publikováno v: Chemical Communications. 52:10830-10833

Terminal and internal alkynes are efficiently hydroborated to (E)-alkenyl pinacol boronic esters with excellent yields and selectivities using Piers' borane, (HB(C6F5)2) as a pre-catalyst for the dissymmetrically gem-diborylated catalyst of the form

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6c5cd4e35565a7fcfbd2d165ca479f4
https://doi.org/10.1039/c6cc05360b

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Electrophilic Fluorophosphonium Cations in Frustrated Lewis Pair Hydrogen Activation and Catalytic Hydrogenation of Olefins

Autor: Christopher B. Caputo, Manuel Perez, Douglas W. Stephan, Thorsten vom Stein, Roman Dobrovetsky, Daniel Winkelhaus

Publikováno v: Angewandte Chemie. 127:10316-10320

The combination of phosphorus(V)-based Lewis acids with diaryl amines and diaryl silylamines promotes reversible activation of dihydrogen and can be further exploited in metal-free catalytic olefin hydrogenation. Combined experimental and density fun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82ffb55b32e5daa47284925bacee2325
https://doi.org/10.1002/ange.201504109

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Highly Versatile Catalytic Hydrogenation of Carboxylic and Carbonic Acid Derivatives using a Ru-Triphos Complex: Molecular Control over Selectivity and Substrate Scope

Autor: Markus Meuresch, Dominik Limper, Thorsten vom Stein, Jacorien Coetzee, Walter Leitner, Marc Schmitz, David J. Cole-Hamilton, Jürgen Klankermayer, Markus Hölscher

Publikováno v: Journal of the American Chemical Society. 136:13217-13225

The complex [Ru(Triphos)(TMM)] (Triphos = 1,1,1-tris(diphenylphosphinomethyl)ethane, TMM = trimethylene methane) provides an efficient catalytic system for the hydrogenation of a broad range of challenging functionalities encompassing carboxylic este

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22f23f8436df610a655cd43c74dbe809
https://doi.org/10.1021/ja506023f

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