Wack, Harald: search on Z-Library

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1

Generation of Ketenes from Acid Chlorides Using NaH/Crown Ether Shuttle-Deprotonation for Use in Asymmetric Catalysis

Taggi, Andrew E., Wack, Harald, Hafez, Ahmed M., France, Stefan, Lectka, Thomas

Journal:

Organic Letters

Year:

2002

Language:

english

File:

PDF, 86 KB

english, 2002

2

Catalytic, Asymmetric Synthesis of β-Lactams

Taggi, Andrew E., Hafez, Ahmed M., Wack, Harald, Young, Brandon, Drury, William J., Lectka, Thomas

Journal:

Journal of the American Chemical Society

Year:

2000

Language:

english

File:

PDF, 45 KB

english, 2000

3

Nucleophilic Catalysis of Amide Isomerization

Cox, Christopher, Wack, Harald, Lectka, Thomas

Journal:

Journal of the American Chemical Society

Year:

1999

Language:

english

File:

PDF, 111 KB

english, 1999

4

ChemInform Abstract: Reactive Ketenes Through a Carbonate/Amine Shuttle Deprotonation Strategy: Catalytic, Enantioselective α-Bromination of Acid Chlorides.

Ahmed M. Hafez, Andrew E. Taggi, Harald Wack, Julie Esterbrook, Thomas Lectka

Journal:

Year:

2001

File:

PDF, 31 KB

2001

5

Catalytic, Asymmetric α-Chlorination of Acid Halides

France, Stefan, Wack, Harald, Taggi, Andrew E., Hafez, Ahmed M., Wagerle, Ty R., Shah, Meha H., Dusich, Crystal L., Lectka, Thomas

Journal:

Journal of the American Chemical Society

Year:

2004

Language:

english

File:

PDF, 547 KB

english, 2004

6

Bifunctional Asymmetric Catalysis: A Tandem Nucleophile/Lewis Acid Promoted Synthesis of β-Lactams

France, Stefan, Wack, Harald, Hafez, Ahmed M., Taggi, Andrew E., Witsil, Daniel R., Lectka, Thomas

Journal:

Organic Letters

Year:

2002

Language:

english

File:

PDF, 115 KB

english, 2002

7

Catalytic, Asymmetric α-Halogenation

Wack, Harald, Taggi, Andrew E., Hafez, Ahmed M., Drury, William J., Lectka, Thomas

Journal:

Journal of the American Chemical Society

Year:

2001

Language:

english

File:

PDF, 98 KB

english, 2001

8

Bifunctional Lewis Acid-Nucleophile-Based Asymmetric Catalysis: Mechanistic Evidence for Imine Activation Working in Tandem with Chiral Enolate Formation in the Synthesis of β-Lactams

France, Stefan, Shah, Meha H., Weatherwax, Anthony, Wack, Harald, Roth, Justine P., Lectka, Thomas

Journal:

Journal of the American Chemical Society

Year:

2005

Language:

english

File:

PDF, 267 KB

english, 2005

9

Development of a New Dimeric Cyclophane Ligand: Application to Enhanced Diastereo- and Enantioselectivity in the Catalytic Synthesis of β-Lactams.

Harald Wack, Stefan France, Ahmed M. Hafez, William J. III Drury, Anthony Weatherwax, Thomas Lectka

Journal:

Year:

2004

File:

PDF, 19 KB

2004

10

Eine starke Wasserstoffbrücke zu einem Amid-Stickstoffatom in einem „Amid-Protonenschwamm”: Konsequenzen für Struktur und Reaktivität

Christopher Cox, Harald Wack, Thomas Lectka

Journal:

Angewandte Chemie

Year:

1999

Language:

german

File:

PDF, 104 KB

german, 1999

11

Bifunctional Asymmetric Catalysis: A Tandem Nucleophile/Lewis Acid Promoted Synthesis of β-Lactams.

Stefan France, Harald Wack, Ahmed M. Hafez, Andrew E. Taggi, Daniel R. Witsil, Thomas Lectka

Journal:

Year:

2002

File:

PDF, 31 KB

2002

12

ChemInform Abstract: Catalytic, Asymmetric Synthesis of β-Lactams.

Andrew E. Taggi, Ahmed M. Hafez, Harald Wack, Brandon Young, William J. Drury III, Thomas Lectka

Journal:

Year:

2000

File:

PDF, 32 KB

2000

13

The Development of the First Catalyzed Reaction of Ketenes and Imines: Catalytic, Asymmetric Synthesis of β-Lactams.

Andrew E. Taggi, Ahmed M. Hafez, Harald Wack, Brandon Young, Dana Ferraris, Thomas Lectka

Journal:

Year:

2002

File:

PDF, 34 KB

2002

14

ChemInform Abstract: Catalytic, Asymmetric α-Halogenation.

Harald Wack, Andrew E. Taggi, Ahmed M. Hafez, William J. Drury III, Thomas Lectka

Journal:

Year:

2001

File:

PDF, 32 KB

2001

15

The Development of the First Catalyzed Reaction of Ketenes and Imines: Catalytic, Asymmetric Synthesis of β-Lactams

Taggi, Andrew E., Hafez, Ahmed M., Wack, Harald, Young, Brandon, Ferraris, Dana, Lectka, Thomas

Journal:

Journal of the American Chemical Society

Year:

2002

Language:

english

File:

PDF, 303 KB

english, 2002

16

Column Asymmetric Catalysis for β-Lactam Synthesis

Hafez, Ahmed M., Taggi, Andrew E., Wack, Harald, Drury, William J., Lectka, Thomas

Journal:

Organic Letters

Year:

2000

Language:

english

File:

PDF, 134 KB

english, 2000

17

Strong Hydrogen Bonding to the Amide Nitrogen Atom in an “Amide Proton Sponge”: Consequences for Structure and Reactivity

Christopher Cox, Harald Wack, Thomas Lectka

Journal:

Angewandte Chemie International Edition

Year:

1999

Language:

english

File:

PDF, 105 KB

english, 1999

18

Nucleophilic Metal Complexes as Acylation Catalysts: Solvent-Dependent “Switch” Mechanisms Leading to the First Catalyzed Staudinger Reaction

Wack, Harald, Drury, William J., Taggi, Andrew E., Ferraris, Dana, Lectka, Thomas

Journal:

Organic Letters

Year:

1999

Language:

english

File:

PDF, 48 KB

english, 1999

19

Catalytic, Asymmetric α-Chlorination of Acid Halides.

Stefan France, Harald Wack, Andrew E. Taggi, Ahmed M. Hafez, Ty R. Wagerle, Meha H. Shah, Crystal L. Dusich, Thomas Lectka

Journal:

Year:

2004

File:

PDF, 251 KB

2004

20

Reactive Ketenes through a Carbonate/Amine Shuttle Deprotonation Strategy: Catalytic, Enantioselective α-Bromination of Acid Chlorides

Hafez, Ahmed M., Taggi, Andrew E., Wack, Harald, Esterbrook, Julie, Lectka, Thomas

Journal:

Organic Letters

Year:

2001

Language:

english

File:

PDF, 47 KB

english, 2001

21

Development of a New Dimeric Cyclophane Ligand: Application to Enhanced Diastereo- and Enantioselectivity in the Catalytic Synthesis of β-Lactams

Wack, Harald, France, Stefan, Hafez, Ahmed M., Drury, William J., Weatherwax, Anthony, Lectka, Thomas

Journal:

Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 231 KB

english, 2004

22

[IEEE Circuits Technology Conference (IMPACT) - Taipei, Taiwan (2008.10.22-2008.10.24)] 2008 3rd International Microsystems, Packaging, Assembly & Circuits Technology Conference - ¿ True Water-Based Cleaning Innovations to Replace Solvent Based Defluxing Products¿

Schweigart, Helmut, Strixner, Stefan, Wack, Harald

Year:

2008

Language:

english

File:

PDF, 4.73 MB

english, 2008

23

ChemInform Abstract: Generation of Ketenes from Acid Chlorides Using NaH/Crown Ether Shuttle-Deprotonation for Use in Asymmetric Catalysis.

Andrew E. Taggi, Harald Wack, Ahmed M. Hafez, Stefan France, Thomas Lectka

Journal:

Year:

2002

File:

PDF, 29 KB

2002

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