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Chemistry (Weinheim an Der Bergstrasse, Germany)|October 18, 2012
Palladium-catalyzed carbonylative coupling of aryl iodides and benzyl acetylenes to 3-alkylidenefuran-2-ones under mild conditions and its density functional theory modelingXiao-Feng Wu, Haijun Jiao, Helfried Neumann, et al.
Chemistry (Weinheim an Der Bergstrasse, Germany)|September 13, 2012
A general and efficient palladium-catalyzed carbonylative synthesis of 2-aryloxazolines and 2-aryloxazines from aryl bromidesXiao-Feng Wu, Helfried Neumann, Stephan Neumann, et al.
Nature Communications|November 9, 2017
Convenient iron-catalyzed reductive aminations without hydrogen for selective synthesis of N-methylaminesKishore Natte, Helfried Neumann, Rajenahally V Jagadeesh, et al.
Organic & Biomolecular Chemistry|July 2, 2014
Palladium-catalyzed synthesis of isoindoloquinazolinones via dicarbonylation of 1,2-dibromoarenesJianbin Chen, Helfried Neumann, Matthias Beller, et al.
Organic Letters|September 24, 2005
A novel MCR of isocyanates, aldehydes, and dienophilesDirk Strübing, Helfried Neumann, Sandra Hübner, et al.
Chemistry, an Asian Journal|August 7, 2015
Rhodium(II)-Catalyzed Annulation of Azavinyl Carbenes Through Ring-Expansion of 1,3,5-Trioxane: Rapid Access to Nine-Membered 1,3,5,7-TrioxazoninesJola Pospech, Raffaella Ferraccioli, Nicole LaBerge, et al.
Chemical Communications (Cambridge, England)|October 11, 2016
Pd-Supported on N-doped carbon: improved heterogeneous catalyst for base-free alkoxycarbonylation of aryl iodidesIda Ziccarelli, Helfried Neumann, Carsten Kreyenschulte, et al.
Iucrdata|July 9, 2025
{α,α'-Bis[(tert-but-yl)(6-meth-oxy-pyridin-2-yl)phosphino]-o-xylene}(η2-N-methyl-maleinimide)palladium(0) toluene hemisolvateStefan Müller, Anke Spannenberg, Helfried Neumann, et al.
Nature Communications|October 24, 2020
The role of allyl ammonium salts in palladium-catalyzed cascade reactions towards the synthesis of spiro-fused heterocyclesFei Ye, Yao Ge, Anke Spannenberg, et al.
JACS Au|April 4, 2022
Revisiting Reduction of CO2 to Oxalate with First-Row Transition Metals: Irreproducibility, Ambiguous Analysis, and Conflicting ReactivityMaximilian Marx, Holm Frauendorf, Anke Spannenberg, et al.
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