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Iron-catalysed carbon-heteroatom and heteroatom-heteroatom bond forming processes.
This tutorial review summarises recent progress in the development of novel and practical iron-catalysed reactions with a particular focus on those which provide access to new carbon-heteroatom and heteroatom-heteroa linkages.
Highly Enantioselective Nucleophilic Dearomatization of Pyridines by Anion-Binding Catalysis.
- O. García Mancheño, Soeren Asmus, Mercedes Zurro, Theresa Fischer
- ChemistryAngewandte Chemie
- 20 July 2015
The first anion-binding-catalyzed, highly enantioselective nucleophilic dearomatization of pyridines with triazole-based H-bond donor catalysts is presented and offers a straightforward and useful synthetic approach to chiral N-heterocycles from abundant and readily available pyrdines.
Catalyzed selective direct α- and γ-alkylation of aldehydes with cyclic benzyl ethers by using T(+)BF4- in the presence of an inexpensive organic acid or anhydride.
The cross dehydrogenative coupling of cyclic benzyl ethers with aliphatic and α,β-unsaturated aldehydes has been developed and led preferentially to the more challenging γ-alkylated products.
TEMPO oxoammonium salt-mediated dehydrogenative Povarov/oxidation tandem reaction of N-alkyl anilines.
The synthesis of a variety of substituted quinolines from N-alkyl anilines by a one-pot dehydrogenative Povarov/oxidation tandem reaction with mono- and 1,2-disubstituted aryl and alkyl olefins was…
Chiral Triazoles in Anion-Binding Catalysis: New Entry to Enantioselective Reissert-Type Reactions.
- Mercedes Zurro, Soeren Asmus, J. Bamberger, Stephan Beckendorf, O. García Mancheño
- 7 March 2016
The organocatalyzed enantioselective Reissert-type dearomatization of isoquinoline derivatives employing a number of structurally diverse chiral triazoles as anion-binding catalysts was realized and was employed to synthesize a numberof chiral 1,2-dihydroisoquinoline substrates with an enantiOSElectivity up to 86:14 e.r.
Iron-catalyzed oxidative tandem reactions with TEMPO oxoammonium salts: synthesis of dihydroquinazolines and quinolines.
- Renate Rohlmann, T. Stopka, H. Richter, O. García Mancheño
- ChemistryThe Journal of organic chemistry
- 7 June 2013
A straightforward iron-catalyzed divergent oxidative tandem synthesis of dihydroquinazolines and quinolines from N-alkylanilines using a TEMPO oxoammonium salt as a mild and nontoxic oxidant has been…
Triazole-Based Anion-Binding Catalysis for the Enantioselective Dearomatization of N-Heteroarenes with Phosphorus Nucleophiles.
The first enantioselective synthesis of chiral heterocyclic α-amino phosphonates by nucleophilic dearomatization of quinolines and pyridines using an anion-binding organocatalysis approach is described, which allows for rapid access to substituted chiral cyclic α -aminoosphonates, which can be easily transformed into phosphonic acid derivatives.
Mild metal-free tandem α-alkylation/cyclization of N-benzyl carbamates with simple olefins.
Easy does it! The chemoselective oxidative α-C(sp(3))-H alkylation/cyclization reaction of N-benzyl carbamates using simple mono-, di-, and trisubstituted olefins provides functionalized…
Helical Multi‐Coordination Anion‐Binding Catalysts for the Highly Enantioselective Dearomatization of Pyrylium Derivatives
- Theresa Fischer, J. Bamberger, Melania Gómez‐Martínez, D. Piekarski, O. García Mancheño
- ChemistryAngewandte Chemie
- 13 December 2018
Experimental and theoretical studies provide new insights into the hydrogen‐donor ability and key binding interactions of the TetraTri catalysts and its host:guest complexes, suggesting the formation of a 1:3 species.
Site-Selective C-H Bond Activation/Functionalization of Alpha-Amino Acids and Peptide-Like Derivatives