Karl Anker Joergensen: search on Z-Library

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1

Formation of maleic anhydride on a vanadyl pyrophosphate surface: a theoretical study of the mechanism

Schioett, Birgit, Joergensen, Karl Anker, Hoffmann, Roald

Journal:

Journal of Physical Chemistry

Year:

1991

Language:

english

File:

PDF, 1.16 MB

english, 1991

2

Direct Asymmetric Michael Reactions of Cyclic 1,3-Dicarbonyl Compounds and Enamines Catalyzed by Chiral Bisoxazoline—Copper(II) Complexes.

Nis Halland, Thomas Velgaard, Karl Anker Joergensen

Journal:

Year:

2003

Language:

english

File:

PDF, 267 KB

english, 2003

3

ChemInform Abstract: Optically Active Thiophenes via an Organocatalytic One-Pot Methodology.

Lars Krogager Ransborg, Lukasz Albrecht, Christian F. Weise, Jesper R. Bak, Karl Anker Joergensen

Journal:

Year:

2012

File:

PDF, 79 KB

2012

4

Electronic and steric factors determining the asymmetric epoxidation of allylic alcohols by titanium-tartrate complexes (the Sharpless epoxidation)

Joergensen, Karl Anker, Wheeler, Ralph A., Hoffmann, Roald

Journal:

Journal of the American Chemical Society

Year:

1987

Language:

english

File:

PDF, 759 KB

english, 1987

5

The mechanism of stereoselective epoxidation of alkenes by oxo-iron porphyrins

Joergensen, Karl Anker

Journal:

Journal of the American Chemical Society

Year:

1987

Language:

english

File:

PDF, 840 KB

english, 1987

6

ChemInform Abstract: The Stereoselective Formation of Highly Substituted CF 3 -Dihydropyrans as Versatile Building Blocks.

Donslund, Bjarke S., Monleon, Alicia, Larsen, Jesper, Ibsen, Lise, Joergensen, Karl Anker

Journal:

Year:

2015

File:

PDF, 31 KB

2015

7

ChemInform Abstract: Hydrogen-Bonding in Aminocatalysis: From Proline and Beyond

Albrecht, Lukasz, Jiang, Hao, Joergensen, Karl Anker

Journal:

Year:

2014

File:

PDF, 17 KB

2014

8

ChemInform Abstract: Enantioselective α-Amination of Ketones Mediated by Chiral Nitridomanganese(V) Complexes Using Ammonia as the Terminal Nitrogen Source.

Niels Svenstrup, Anders Boegevig, Rita G. Hazell, Karl Anker Joergensen

Journal:

Year:

1999

File:

PDF, 36 KB

1999

9

ChemInform Abstract: Copper(II)-Bisoxazoline Catalyzed Asymmetric 1,3-Dipolar Cycloaddition Reactions of Nitrones with Electron-Rich Alkenes.

Kim B. Jensen, Rita G. Hazell, Karl Anker Joergensen

Journal:

Year:

1999

File:

PDF, 32 KB

1999

10

ChemInform Abstract: Catalytic Asymmetric Friedel—Crafts Alkylation of β,γ-Unsaturated α-Ketoesters: Enantioselective Addition of Aromatic C—H Bonds to Alkenes.

Kim B. Jensen, Jacob Thorhauge, Rita G. Hazell, Karl Anker Joergensen

Journal:

Year:

2001

File:

PDF, 42 KB

2001

11

Copper-Catalyzed Enantioselective Henry Reactions of α-Keto Esters: An Easy Entry to Optically Active β-Nitro-α-hydroxy Esters and β-Amino-α-hydroxy Esters.

Christina Christensen, Karsten Juhl, Rita G. Hazell, Karl Anker Joergensen

Journal:

Year:

2002

File:

PDF, 34 KB

2002

12

Direct Organo-Catalytic Asymmetric α-Amination of Aldehydes — A Simple Approach to Optically Active α-Amino Aldehydes, α-Amino Alcohols, and α-Amino Acids.

Anders Boegevig, Karsten Juhl, Nagaswamy Kumaragurubaran, Wei Zhuang, Karl Anker Joergensen

Journal:

Year:

2002

File:

PDF, 34 KB

2002

13

Novel Imidazolidine-Tetrazole Organocatalyst for Asymmetric Conjugate Addition of Nitroalkanes.

Auxiliadora Prieto, Nis Halland, Karl Anker Joergensen

Journal:

Year:

2006

File:

PDF, 33 KB

2006

14

ChemInform Abstract: Organocatalysis in Natural Product Synthesis: A Simple One-Pot Approach to Optically Active β-Diols.

Nikolaj Roejkjaer Andersen, Signe Grann Hansen, Soeren Bertelsen, Karl Anker Joergensen

Journal:

Year:

2010

File:

PDF, 45 KB

2010

15

ChemInform Abstract: An Asymmetric Organocatalytic One-Pot Strategy to Octahydroacridines.

Gustav Dickmeiss, Kim L. Jensen, Dennis Worgull, Patrick T. Franke, Karl Anker Joergensen

Journal:

Year:

2011

File:

PDF, 64 KB

2011

16

ChemInform Abstract: Asymmetric Organocatalytic [3 + 2]-Annulation Strategy for the Synthesis of N-Fused Heteroaromatic Compounds.

Lukasz Albrecht, Anna Albrecht, Lars Krogager Ransborg, Karl Anker Joergensen

Journal:

Year:

2011

File:

PDF, 58 KB

2011

17

Oxidation of imines to nitrones by the permanganate ion

Christensen, Dorthe, Joergensen, Karl Anker

Journal:

Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 742 KB

english, 1989

18

ChemInform Abstract: A New Organocatalytic Concept for Asymmetric α-Alkylation of Aldehydes.

Caruana, Lorenzo, Kniep, Florian, Johansen, Tore Kiilerich, Poulsen, Pernille H., Joergensen, Karl Anker

Journal:

Year:

2015

File:

PDF, 30 KB

2015

19

ChemInform Abstract: The First Highly Diastereo- and Enantioselective Polymeric Catalyst for the 1,3-Cycloaddition Reaction of Nitrones with Alkenes.

Klaus B. Simonsen, Karl Anker Joergensen, Qiao-Sheng Hu, Lin Pu

Journal:

Year:

1999

File:

PDF, 31 KB

1999

20

Catalytic Asymmetric 1,3-Dipolar Cycloaddition Reactions of Azomethine Ylides — A Simple Approach to Optically Active Highly Functionalized Proline Derivatives.

Aase Sejr Gothelf, Kurt V. Gothelf, Rita G. Hazell, Karl Anker Joergensen

Journal:

Year:

2003

File:

PDF, 125 KB

2003

21

Enantioselective Organocatalytic Allylic Amination.

Thomas B. Poulsen, Carlos Alemparte, Karl Anker Joergensen

Journal:

Year:

2005

File:

PDF, 40 KB

2005

22

ChemInform Abstract: Organocatalytic Preparation of Simple β-Hydroxy and β-Amino Esters: Low Catalyst Loadings and Gram-Scale Synthesis.

Hao Jiang, Bjoern Gschwend, Lukasz Albrecht, Karl Anker Joergensen

Journal:

Year:

2011

File:

PDF, 61 KB

2011

23

ChemInform Abstract: Organocatalytic Strategies for the Construction of Optically Active Imidazoles, Oxazoles, and Thiazoles.

Lukasz Albrecht, Krogager Ransborg, Anna Albrecht, Lennart Lykke, Karl Anker Joergensen

Journal:

Year:

2012

File:

PDF, 72 KB

2012

24

ChemInform Abstract: Enantioselective Formal [4 + 2] Cycloadditions to 3-Nitroindoles by Trienamine Catalysis: Synthesis of Chiral Dihydrocarbazoles.

Li, Yang, Tur, Fernando, Nielsen, Rune Pagh, Jiang, Hao, Jensen, Frank, Joergensen, Karl Anker

Journal:

Year:

2016

File:

PDF, 35 KB

2016

25

ChemInform Abstract: Catalytic Enantioselective Addition of Enol Silanes to Ketomalonate Mediated by C2-Symmetric Bisoxazoline Lewis Acid Complexes.

Frank Reichel, Xiangming Fang, Sulan Yao, Marina Ricci, Karl Anker Joergensen

Journal:

Year:

1999

File:

PDF, 35 KB

1999

26

Catalytic Asymmetric Bromination and Chlorination of β-Ketoesters.

Mauro Marigo, Nagaswami Kumaragurubaran, Karl Anker Joergensen

Journal:

Year:

2004

File:

PDF, 148 KB

2004

27

ChemInform Abstract: Synthesis of 1,2,4-Triazolines: Base-Catalyzed Hydrazination/Cyclization Cascade of α-Isocyano Esters and Amides.

David Monge, Kim L. Jensen, Irene Marin, Karl Anker Joergensen

Journal:

Year:

2011

File:

PDF, 54 KB

2011

28

ChemInform Abstract: Asymmetric Organocatalytic Synthesis of Complex Cyclopenta[b]quinoline Derivatives.

Kim L. Jensen, Gustav Dickmeiss, Bjarke S. Donslund, Pernille H. Poulsen, Karl Anker Joergensen

Journal:

Year:

2011

Language:

english

File:

PDF, 59 KB

english, 2011

29

Transition-metal-catalyzed epoxidations

Joergensen, Karl Anker

Journal:

Chemical Reviews

Year:

1989

Language:

english

File:

PDF, 3.49 MB

english, 1989

30

MO explanation of the "unexpected" structure of (.eta.5-C5Me5)2Ta(:NC6H5)H

Joergensen, Karl Anker

Journal:

Inorganic Chemistry

Year:

1993

Language:

english

File:

PDF, 222 KB

english, 1993

31

ChemInform Abstract: Organocatalytic Cascade Reactions: Towards the Diversification of Hydroisochromenes and Chromenes Through Two Different Activation Modes.

Cruz Cruz, David, Mose, Rasmus, Villegas Gomez, Clarisa, Torbensen, Stine V., Larsen, Martin S., Joergensen, Karl Anker

Journal:

Year:

2015

Language:

english

File:

PDF, 33 KB

english, 2015

32

ChemInform Abstract: Catalytic Enantioselective 1,3-Dipolar Cycloaddition Reactions of Nitrones

Kurt V. Gothelf, Karl Anker Joergensen

Journal:

Year:

2000

File:

PDF, 25 KB

2000

33

ChemInform Abstract: Catalytic Enantioselective 1,3-Dipolar Cycloaddition Reactions of Cyclic Nitrones: A Simple Approach for the Formation of Optically Active Isoquinoline Derivatives.

Kim B. Jensen, Mark Roberson, Karl Anker Joergensen

Journal:

Year:

2001

File:

PDF, 33 KB

2001

34

Nucleophilic Addition of Nitrones to Ketones: Development of a New Catalytic Asymmetric Nitrone-Aldol Reaction.

Anders Boegevig, Kurt V. Gothelf, Karl Anker Joergensen

Journal:

Year:

2003

File:

PDF, 236 KB

2003

35

Direct L-Proline-Catalyzed Asymmetric α-Amination of Ketones.

Nagaswamy Kumaragurubaran, Karsten Juhl, Wei Zhuang, Anders Boegevig, Karl Anker Joergensen

Journal:

Year:

2002

File:

PDF, 33 KB

2002

36

Organocatalytic Asymmetric Michael Reaction of Cyclic 1,3-Dicarbonyl Compounds and α,β-Unsaturated Ketones — A Highly Atom-Economic Catalytic One-Step Formation of Optically Active Warfarin Anticoagulant.

Nis Halland, Tore Hansen, Karl Anker Joergensen

Journal:

Year:

2004

File:

PDF, 176 KB

2004

37

Catalytic, Highly Enantioselective, Direct Amination of β-Ketoesters.

Mauro Marigo, Karsten Juhl, Karl Anker Joergensen

Journal:

Year:

2003

File:

PDF, 167 KB

2003

38

Hetero-Diels—Alder Reactions of Ketones — A Challenge for Chemists

Karl Anker Joergensen

Journal:

Year:

2004

File:

PDF, 48 KB

2004

39

Organocatalytic Regio- and Asymmetric C-Selective SNAr Reactions — Stereoselective Synthesis of Optically Active Spiropyrrolidone-3,3′-oxoindoles.

Marco Bella, Sara Kobbelgaard, Karl Anker Joergensen

Journal:

Year:

2005

File:

PDF, 20 KB

2005

40

ChemInform Abstract: Asymmetric Organocatalytic Monofluorovinylations.

Christian Borch Jacobsen, Martin Nielsen, Dennis Worgull, Theo Zweifel, Esben Fisker, Karl Anker Joergensen

Journal:

Year:

2011

File:

PDF, 77 KB

2011

41

ChemInform Abstract: Asymmetric Synthesis of Hexahydropyrrolo-isoquinolines by an Organocatalytic Three-Component Reaction.

Alberto Fraile, Daniele M. Scarpino Schietroma, Anna Albrecht, Rebecca L. Davis, Karl Anker Joergensen

Journal:

Year:

2012

File:

PDF, 48 KB

2012

42

Electron-transfer fluorescence quenching of radical ions. Experimental work and theoretical calculations

Eriksen, Jens, Joergensen, Karl Anker, Linderberg, Jan, Lund, Henning

Journal:

Journal of the American Chemical Society

Year:

1984

Language:

english

File:

PDF, 551 KB

english, 1984

43

Metallaoxetanes as intermediate in oxygen-transfer reactions - reality or fiction?

Joergensen, Karl Anker, Schioett, Birgit

Journal:

Chemical Reviews

Year:

1990

Language:

english

File:

PDF, 3.30 MB

english, 1990

44

ChemInform Abstract: Aminocatalysis: Beyond Steric Shielding and Hydrogen-Bonding

Matos Paz, Bruno, Jiang, Hao, Joergensen, Karl Anker

Journal:

Year:

2015

File:

PDF, 12 KB

2015

45

ChemInform Abstract: Catalytic Enantioselective Ene Reactions of Imines: A Simple Approach for the Formation of Optically Active α-Amino Acids.

Sulan Yao, Xiangming Fang, Karl Anker Joergensen

Journal:

Year:

1999

File:

PDF, 32 KB

1999

46

ChemInform Abstract: Chiral CO2-Synthons via Catalytic Asymmetric Hetero-Diels—Alder Reactions of Ketomalonate and Dienes.

Sulan Yao, Mark Roberson, Frank Reichel, Rita G. Hazell, Karl Anker Joergensen

Journal:

Year:

2000

Language:

english

File:

PDF, 37 KB

english, 2000

47

ChemInform Abstract: Organocatalytic Synthesis of Optically Active Heteroaromatic Compounds

Lukasz Albrecht, Lars Krogager Ransborg, Karl Anker Joergensen

Journal:

Year:

2012

File:

PDF, 18 KB

2012

48

ChemInform Abstract: Organocatalytic Cascade Reactions: Diversity-Oriented Synthesis for the Construction of Hydroisoquinoline Scaffolds.

Gomez, Clarisa Villegas, Cruz, David Cruz, Mose, Rasmus, Joergensen, Karl Anker

Journal:

Year:

2014

File:

PDF, 24 KB

2014

49

ChemInform Abstract: Enantioselective H-Bond-Directing Approach for Trienamine-Mediated Reactions in Asymmetric Synthesis.

Albrecht, Lukasz, Cruz Acosta, Fabio, Fraile, Alberto, Albrecht, Anna, Christensen, Jannie, Joergensen, Karl Anker

Journal:

Year:

2013

File:

PDF, 38 KB

2013

50

ChemInform Abstract: Catalytic Enantioselective Inverse-Electron Demand 1,3-Dipolar Cycloaddition Reactions of Nitrones with Alkenes.

Klaus B. Simonsen, Pau Bayon, Rita G. Hazell, Kurt V. Gothelf, Karl Anker Joergensen

Journal:

Year:

1999

File:

PDF, 35 KB

1999

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