Charles K Zercher: search on Z-Library

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1

Small Organic Solutes in Sticky Droplets from Orb Webs of the Spider Zygiella atrica (Araneae; Araneidae): β -Alaninamide Is a Novel and Abundant Component

Townley, Mark A., Pu, Qinglin, Zercher, Charles K., Neefus, Christopher D., Tillinghast, Edward K.

Journal:

Chemistry & Biodiversity

Year:

2012

Language:

english

File:

PDF, 1.17 MB

english, 2012

2

Tandem Chain Extension-Homoenolate Formation: The Formation of α-Methylated-γ-Keto Esters

Hilgenkamp, Ramona, Zercher, Charles K.

Journal:

Organic Letters

Year:

2001

Language:

english

File:

PDF, 46 KB

english, 2001

3

ChemInform Abstract: Preparation of 1,4-Dioxenes from α-Diazo-β-ketoesters.

Ramona Hilgenkamp, John B. Brogan, Charles K. Zercher

Journal:

Year:

1999

File:

PDF, 31 KB

1999

4

ChemInform Abstract: Zinc-Mediated Chain Extension of β-Keto Phosphonates.

Christopher A. Verbicky, Charles K. Zercher

Journal:

Year:

2000

File:

PDF, 34 KB

2000

5

ChemInform Abstract: Olefin Cross-Metathesis in the Preparation of Polycyclopropanes: Formal Synthesis of FR-900848.

Christopher A. Verbicky, Charles K. Zercher

Journal:

Year:

2001

File:

PDF, 31 KB

2001

6

ChemInform Abstract: Tandem Chain Extension—Homoenolate Formation: The Formation of α-Methylated-γ-keto Esters.

Ramona Hilgenkamp, Charles K. Zercher

Journal:

Year:

2002

File:

PDF, 31 KB

2002

7

ChemInform Abstract: Zinc Carbenoid Mediated Chain Extension of β-Keto Amides.

Ramona Hilgenkamp, Charles K. Zercher

Journal:

Year:

2002

File:

PDF, 32 KB

2002

8

ChemInform Abstract: Tandem Chain Extension—Aldol Reaction: Syn Selectivity with a Zinc Enolate.

Sujen Lai, Charles K. Zercher, Jerry P. Jasinski, Seth N. Reid, Richard J. Staples

Journal:

Year:

2002

File:

PDF, 33 KB

2002

9

Ring Expansions of β-Keto Lactones with Zinc Carbenoids: Syntheses of (+)-Patulolide A (X) and (.+-.)-Patulolide B (XI).

Matthew D. Ronsheim, Charles K. Zercher

Journal:

Year:

2003

File:

PDF, 216 KB

2003

10

Zinc Carbenoid-Mediated Chain Extension: Preparation of α,β-Unsaturated-γ-keto Esters and Amides.

Matthew D. Ronsheim, Charles K. Zercher

Journal:

Year:

2003

File:

PDF, 155 KB

2003

11

Purin-6-yl 6-deoxy-1-thio-β-d-glucopyranoside. Enzymology, chemistry, and cytotoxicity

Charles K. Zercher, Leo R. Fedor

Journal:

Carbohydrate Research

Year:

1987

Language:

english

File:

PDF, 545 KB

english, 1987

12

Diastereoselective synthesis of bicyclopropanes

Cory R. Theberge, Charles K. Zercher

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 269 KB

english, 1994

13

A divergent diastereoselective approach to bicyclopropanes

Cory R. Theberge, Charles K. Zercher

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 204 KB

english, 1995

14

Selectivity in the rearrangements of oxonium ylides

John B. Brogan, Cary B. Bauer, Robin D. Rogers, Charles K. Zercher

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 187 KB

english, 1996

15

Ylide-mediated bis-cyclopropane formation: A reversal in substrate-mediated facial selectivity

Regina E.J. Cebula, Morgan R. Hanna, Cory R. Theberge, Christopher A. Verbicky, Charles K. Zercher

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 231 KB

english, 1996

16

The tandem chain extension aldol reaction used for synthesis of ketomethylene tripeptidomimetics targeting hPEPT1

Karina Thorn, Carsten Uhd Nielsen, Palle Jakobsen, Bente Steffansen, Charles K. Zercher, Mikael Begtrup

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2011

Language:

english

File:

PDF, 423 KB

english, 2011

17

Tandem chain extension–iodomethylation reactions: formation of α-functionalized γ-keto carbonyls

Qinglin Pu, Emerald Wilson, Charles K. Zercher

Journal:

Year:

2008

Language:

english

File:

PDF, 293 KB

english, 2008

18

Zinc carbenoid-mediated chain extension of β-keto amides

Ramona Hilgenkamp, Charles K Zercher

Journal:

Year:

2001

Language:

english

File:

PDF, 146 KB

english, 2001

19

Chain extension of amino acid skeletons: preparation of ketomethylene isosteres

Cory R Theberge, Charles K Zercher

Journal:

Year:

2003

Language:

english

File:

PDF, 170 KB

english, 2003

20

Olefin cross-metathesis in the preparation of polycyclopropanes: formal synthesis of FR-900848

Christopher A Verbicky, Charles K Zercher

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 88 KB

english, 2000

21

Novel palladium (II) mediated reactions of N-hydroxy-β-lactams

Charles K. Zercher, Marvin J. Miller

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 278 KB

english, 1989

22

Preparation of the zaragozic acid core through the rearrangement of an oxonium ylide

John B. Brogan, Charles K. Zercher

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 244 KB

english, 1998

23

Syntheses of Papyracillic Acids: Application of the Tandem Chain Extension–Acylation Reaction

Mazzone, Jennifer R., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

2012

Language:

english

File:

PDF, 854 KB

english, 2012

24

Two-Directional Synthesis of Polycyclopropanes. An Approach to the Quinquecyclopropane Fragment of U-106305

McDonald, W. Scott, Verbicky, Christopher A., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 320 KB

english, 1997

25

Tandem chain extension–Mannich reaction: an approach to β-proline derivatives

Alexander M. Jacobine, Angela L.A. Puchlopek, Charles K. Zercher, Jon B. Briggs, Jerry P. Jasinski, Raymond J. Butcher

Journal:

Year:

2012

Language:

english

File:

PDF, 415 KB

english, 2012

26

A Combined DFT and NMR Investigation of the Zinc Organometallic Intermediate Proposed in the Syn -Selective Tandem Chain Extension–Aldol Reaction of β-Keto Esters

Aiken, Karelle S., Eger, Wilhelm A., Williams, Craig M., Spencer, Carley M., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

2012

Language:

english

File:

PDF, 1.73 MB

english, 2012

27

Zinc Carbenoid-Mediated Chain Extension: Preparation of α,β-Unsaturated-γ-keto Esters and Amides

Ronsheim, Matthew D., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 78 KB

english, 2003

28

Stabilization energies and structures of substituted methyl radicals

Pasto, Daniel J., Krasnansky, Robert, Zercher, Charles

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 1.44 MB

english, 1987

29

Preparation of Diallyl Ketals

Brogan, John B., Richard, Judson E., Zercher, Charles K.

Journal:

Synthetic Communications

Year:

1995

Language:

english

File:

PDF, 272 KB

english, 1995

30

Formation of γ-Lactones through CAN-Mediated Oxidative Cleavage of Hemiketals

Jacobine, Alexander M., Lin, Weimin, Walls, Bethany, Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 130 KB

english, 2008

31

Ring Expansions of β-Keto Lactones with Zinc Carbenoids: Syntheses of (+)-Patulolide A and (±)-Patulolide B

Ronsheim, Matthew D., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 152 KB

english, 2003

32

Formation of β-Substituted γ-Keto Esters via Zinc Carbenoid Mediated Chain Extension

Lin, Weimin, McGinness, Robert, Wilson, Emerald, Zercher, Charles

Journal:

Year:

2007

Language:

english

File:

PDF, 114 KB

english, 2007

33

Stereocontrolled Formation of Ketomethylene Isosteres through Tandem Chain Extension Reactions

Lin, Weimin, Tryder, Nancy, Su, Fan, Zercher, Charles K., Jasinski, Jerry P., Butcher, Ray J.

Journal:

Journal of Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 119 KB

english, 2006

34

Zinc-Mediated Conversion of β-Keto Esters to γ-Keto Esters

Brogan, John B., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 99 KB

english, 1997

35

Tandem Chain Extension−Aldol Reaction: Syn Selectivity with a Zinc Enolate

Lai, Sujen, Zercher, Charles K., Jasinski, Jerry P., Reid, Seth N., Staples, Richard J.

Journal:

Organic Letters

Year:

2001

Language:

english

File:

PDF, 37 KB

english, 2001

36

Zinc-Mediated Chain Extension of β-Keto Phosphonates

Verbicky, Christopher A., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 97 KB

english, 2000

37

Stereoselective Formation of a Functionalized Dipeptide Isostere by Zinc Carbenoid-Mediated Chain Extension †

Lin, Weimin, Theberge, Cory R., Henderson, Timothy J., Zercher, Charles K., Jasinski, Jerry, Butcher, Ray. J.

Journal:

Journal of Organic Chemistry

Year:

2009

Language:

english

File:

PDF, 249 KB

english, 2009

38

Study of the Rearrangements of Oxonium Ylides Generated from Ketals

Brogan, John B., Zercher, Charles K., Bauer, Cary B., Rogers, Robin D.

Journal:

Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 289 KB

english, 1997

39

Formal Synthesis of (+)-Brefeldin A: Application of a Zinc-Mediated Ring Expansion Reaction

Lin, Weimin, Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 110 KB

english, 2007

40

A Mechanistic Investigation into the Zinc Carbenoid-Mediated Homologation Reaction by DFT Methods: Is a Classical Donor−Acceptor Cyclopropane Intermediate Involved?

Eger, Wilhelm A., Zercher, Charles K., Williams, Craig M.

Journal:

Journal of Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 1.53 MB

english, 2010

41

Studies on the Diastereoselective Preparation of Bis-cyclopropanes

Theberge, Cory R., Verbicky, Christopher A., Zercher, Charles K.

Journal:

Journal of Organic Chemistry

Year:

1996

Language:

english

File:

PDF, 305 KB

english, 1996

42

A photochemically triggered DNA cleaving agent: synthesis, mechanistic and DNA cleavage studies on a new analog of the anti-tumor antibiotic dynemicin

Wender, Paul A., Zercher, Charles K., Beckham, Suzanne, Haubold, Eva Marie

Journal:

Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 786 KB

english, 1993

43

Studies on DNA-cleaving agents: synthesis of a functional dynemicin analogue

Wender, Paul A., Zercher, Charles K.

Journal:

Journal of the American Chemical Society

Year:

1991

Language:

english

File:

PDF, 454 KB

english, 1991