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1

Al Qaeda's London Branch: Patterns of Domestic and Transnational Network Integration

Barbieri, Eliane Tschaen, Klausen, Jytte

Journal:

Studies in Conflict & Terrorism

Year:

2012

Language:

english

File:

PDF, 342 KB

english, 2012

2

Merck’s Reaction Review Policy: An Exercise in Process Safety

Bassan, Ephraim, Ruck, Rebecca T., Dienemann, Erik, Emerson, Khateeta M., Humphrey, Guy R., Raheem, Izzat T., Tschaen, David M., Vickery, Thomas P., Wood, Harold B., Yasuda, Nobuyoshi

Journal:

Organic Process Research & Development

Year:

2013

Language:

english

File:

PDF, 2.04 MB

english, 2013

3

An Improved Procedure for Aromatic Cyanation

Tschaen, D. M., Desmond, R., King, A. O., Fortin, M. C., Pipik, B., King, S., Verhoeven, T. R.

Journal:

Synthetic Communications

Year:

1994

Language:

english

File:

PDF, 162 KB

english, 1994

4

Stereocontrolled Synthesis of Trisubstituted Cyclopropanes: Expedient, Atom-Economical, Asymmetric Syntheses of (+)-Bicifadine and DOV21947

Xu, Feng, Murry, Jerry A., Simmons, Bryon, Corley, Edward, Fitch, Kenneth, Karady, Sandor, Tschaen, David

Journal:

Organic Letters

Year:

2006

Language:

english

File:

PDF, 79 KB

english, 2006

5

Chlorination/Cyclodehydration of Amino Alcohols with SOCl 2 : An Old Reaction Revisited

Xu, Feng, Simmons, Bryon, Reamer, Robert A., Corley, Edward, Murry, Jerry, Tschaen, David

Journal:

Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 126 KB

english, 2008

6

Oxidation of Primary Alcohols to Carboxylic Acids with Sodium Chlorite Catalyzed by TEMPO and Bleach

Zhao, Mangzhu, Li, Jing, Mano, Eiichi, Song, Zhiguo, Tschaen, David M., Grabowski, Edward J. J., Reider, Paul J.

Journal:

Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 101 KB

english, 1999

7

Efficient Synthesis of a Highly Selective NPY-5 Receptor Antagonist: A Drug Candidate for the Treatment of Obesity

Itoh, Takahiro, Kato, Shinji, Nonoyama, Nobuaki, Wada, Toshihiro, Maeda, Kenji, Mase, Toshiaki, Zhao, Matthew M., Song, Jake Z., Tschaen, David M., McNamara, James M.

Journal:

Organic Process Research & Development

Year:

2006

Language:

english

File:

PDF, 113 KB

english, 2006

8

Preparative Chromatography with Extreme Productivity: HPLC Preparation of an Isomerically Pure Drug Intermediate on Multikilogram Scale

Welch, Christopher J., Henderson, Derek W., Tschaen, David M., Miller, Ross A.

Journal:

Organic Process Research & Development

Year:

2009

Language:

english

File:

PDF, 950 KB

english, 2009

9

Highly Chemoselective Trichloroacetimidate-Mediated Alkylation of Ascomycin: A Convergent, Practical Synthesis of the Immunosuppressant L-733,725

Song, Zhiguo, DeMarco, Anthony, Zhao, Mangzhu, Corley, Edward G., Thompson, Andrew S., McNamara, James, Li, Yulan, Rieger, Dale, Sohar, Paul, Mathre, David J., Tschaen, David M., Reamer, Robert A., Hu

Journal:

Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 275 KB

english, 1999

10

ICP-OES and Micronucleus Test to Evaluate Heavy Metal Contamination in Commercially Available Brazilian Herbal Teas

Schunk, Priscila Francisca Tschaen, Kalil, Ieda Carneiro, Pimentel-Schmitt, Elisangela Flavia, Lenz, Dominik, de Andrade, Tadeu Uggere, Ribeiro, Juliano Souza, Endringer, Denise Coutinho

Journal:

Biological Trace Element Research

Year:

2016

Language:

english

File:

PDF, 621 KB

english, 2016

11

ChemInform Abstract: The Practical Enantioselective Reduction of Prochiral Ketones

A. O. KING, D. J. MATHRE, D. M. TSCHAEN, I. SHINKAI

Journal:

Year:

1997

File:

PDF, 24 KB

1997

12

ChemInform Abstract: Stereoselective Synthesis of 2-Aryloxy Esters: An Asymmetric Approach to Fluoxetine, Tomoxetine, and Nisoxetine.

P. N. DEVINE, R. M. JUN. HEID, D. M. TSCHAEN

Journal:

Year:

1997

File:

PDF, 31 KB

1997

13

ChemInform Abstract: Stereoselective Conjugate Addition Reactions of α,β-Unsaturated tert-Butyl Esters with Aryllithium Reagents.

L. F. FREY, R. D. TILLYER, A.-S. CAILLE, D. M. TSCHAEN, U. H. DOLLING, E. J. J. GRABOWSKI, P. J. REIDER

Journal:

Year:

1998

Language:

english

File:

PDF, 42 KB

english, 1998

14

ChemInform Abstract: Enantioselective 1,4-Addition of Aryllithium Reagents to α,β-Unsaturated tert-Butyl Esters in the Presence of Chiral Additives.

F. XU, R. D. TILLYER, D. M. TSCHAEN, E. J. J. GRABOWSKI, P. J. REIDER

Journal:

Year:

1998

File:

PDF, 36 KB

1998

15

ChemInform Abstract: A Novel Chromium Trioxide Catalyzed Oxidation of Primary Alcohols to the Carboxylic Acids.

M. ZHAO, J. LI, Z. SONG, R. DESMOND, D. M. TSCHAEN, E. J. J. GRABOWSKI, P. J. REIDER

Journal:

Year:

1998

File:

PDF, 31 KB

1998

16

ChemInform Abstract: Oxidation of Primary Alcohols to Carboxylic Acids with Sodium Chlorite Catalyzed by TEMPO and Bleach.

Mangzhu Zhao, Jing Li, Eiichi Mano, Zhiguo Song, David M. Tschaen, Edward J. J. Grabowski, Paul J. Reider

Journal:

Year:

1999

File:

PDF, 32 KB

1999

17

ChemInform Abstract: Asymmetric Synthesis of an Endothelin Receptor Antagonist

Paul N. Devine, Richard Desmond, Lisa F. Frey, Richard M. Heid, Zhiguo Song, Richard D. Tillyer, David M. Tschaen, Mangzhu Zhao, Yoshiaki Kato, Eiichi Mano, et al. et al.

Journal:

Year:

2000

File:

PDF, 25 KB

2000

18

Ullmann Diaryl Ether Synthesis: Rate Acceleration by 2,2,6,6-Tetramethylheptane-3,5-dione.

Elizabeth Buck, Zhiguo Jake Song, David Tschaen, Peter G. Dormer, R. P. Volante, Paul J. Reider

Journal:

Year:

2002

File:

PDF, 31 KB

2002

19

Practical Asymmetric Synthesis of Aprepitant (I), a Potent Human NK-1 Receptor Antagonist, via a Stereoselective Lewis Acid Catalyzed trans Acetalization Reaction.

Matthew Zhao, James M. McNamara, Guo-Jie Ho, Khateeta M. Emerson, Zhiguo J. Song, David M. Tschaen, Karel M. J. Brands, Ulf-H Dolling, Edward J. J. Grabowski, Paul J. Reider

Journal:

Year:

2003

File:

PDF, 67 KB

2003

20

Enhanced O-Dealkylation Activity of SiCl4/LiI with Catalytic Amount of BF3.

Daniel Zewge, Anthony King, Steven Weissman, David Tschaen

Journal:

Year:

2004

File:

PDF, 102 KB

2004

21

Enantioselective Preparation of Ring-Fused 1-Fluorocyclopropane-1-carboxylate Derivatives: En Route to mGIuR 2 Receptor Agonist MGS0028 (I)

Fei Zhang, Zhiguo J. Song, Dave Tschaen, R. P. Volante

Journal:

Year:

2005

File:

PDF, 9 KB

2005

22

An efficient synthesis of 4-benzoyloxyazetidinone: an important carbapenem intermediate

D.M. Tschaen, L.M. Fuentes, J.E. Lynch, W.L. Laswell, R.P. Volante, I. Shinkai

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 176 KB

english, 1988

23

Asymmetric reduction of keto oxime ethers using oxazaborolidine reagents. The enantioselective synthesis of cyclic amino alcohols

Richard D. Tillyer, Charles Boudreau, David Tschaen, U.-H. Dolling, Paul J. Reider

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 228 KB

english, 1995

24

Stereoselective synthesis of 2-aryloxy acids from lactamide derived esters of racemic α-halo carboxylic acids

Paul N Devine, Ulf -H Dolling, Richard M Heid Jr., David M Tschaen

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 211 KB

english, 1996

25

The oxazaborolidine-borane reduction of ketones: Identification and reactivity of transient intermediates

Alan W. Douglas, David M. Tschaen, Robert A. Reamer, Yao-Jun Shi

Journal:

Tetrahedron: Asymmetry

Year:

1996

Language:

english

File:

PDF, 305 KB

english, 1996

26

Enhanced O-dealkylation activity of SiCl4/LiI with catalytic amount of BF3

Daniel Zewge, Anthony King, Steven Weissman, David Tschaen

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 261 KB

english, 2004

27

syn-2,3-Disubstituted-2,3-dihydro-1,4-benzoxathiin rings: preparation from quinone ketals and 2-mercaptoethanols

Peter G. Dormer, Amude M. Kassim, Johnnie L. Leazer Jr., Fengrui Lang, Feng Xu, Kimberly A. Savary, Edward G. Corley, Lisa DiMichele, Jimmy O. DaSilva, Anthony O. King, David M. Tschaen, Robert D. Lar

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 264 KB

english, 2004

28

Practical synthesis of a potent indolocarbazole-based, DNA topoisomerase inhibitor

Atsushi Akao, Shouichi Hiraga, Takehiko Iida, Asayuki Kamatani, Masashi Kawasaki, Toshiaki Mase, Takayuki Nemoto, Nobuya Satake, Steven A Weissman, David M Tschaen, Kai Rossen, Daniel Petrillo, Robert

Journal:

Year:

2001

Language:

english

File:

PDF, 127 KB

english, 2001

29

Stereoselective synthesis of 2-aryloxy esters: An asymmetric approach to fluoxetine, tomoxetine and nisoxetine

Paul N Devine, Richard M Heid Jr., David M Tschaen

Journal:

Year:

1997

Language:

english

File:

PDF, 384 KB

english, 1997

30

Effects of triethylamine in asymmetric reduction using oxazaborolidine reagents

Dongwei Cai, David Tschaen, Y.-J. She, Thomas R. Verhoeven, Robert A. Reamer, Allan W. Douglas

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 223 KB

english, 1993

31

An improved method for chiral oxazaborolidine-catalyzed reduction of 4-chromanone analogs and MK-0499

Yao-Jun Shi, Dongwei Cai, U.-H. Dolling, Alan W. Douglas, David M. Tschaen, Thomas R. Verhoeven

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 260 KB

english, 1994

32

Stereochemistry of the glyoxylate N-sulfonylimine ene reaction

David M. Tschaen, Steven M. Weinreb

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 194 KB

english, 1982

33

Conversion of a silylated hemiacetal into an α-bromoether using trimethylsilylbromide. Synthesis of platelet activating factor antagonist L-659,989.

A.S. Thompson, D.M. Tschaen, P. Simpson, D. McSwine, W. Russ, E.D. Little, T.R. Verhoeven, I. Shinkai

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 261 KB

english, 1990

34

A stereoselective aldol reaction via diisopinocampheyl boron-enolate in preparation of chromane carboxylate with quaternary carbon

Fengrui Lang, Daniel Zewge, Zhiguo J Song, Mirlinda Biba, Peter Dormer, David Tschaen, R.P Volante, Paul J Reider

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 121 KB

english, 2003

35

A novel chromium trioxide catalyzed oxidation of primary alcohols to the carboxylic acids

Mangzhu Zhao, Jing Li, Zhiguo Song, Richard Desmond, David M. Tschaen, Edward J.J. Grabowski, Paul J. Reider

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 214 KB

english, 1998

36

Enantioselective 1,4-addition of aryllithium reagents to α,β-unsaturated tert-butyl esters in the presence of chiral additives

Feng Xu, Richard D. Tillyer, David M. Tschaen, Edward J.J. Grabowski, Paul J. Reider

Journal:

Tetrahedron: Asymmetry

Year:

1998

Language:

english

File:

PDF, 122 KB

english, 1998

37

Ullmann Diaryl Ether Synthesis: Rate Acceleration by 2,2,6,6-Tetramethylheptane-3,5-dione

Buck, Elizabeth, Song, Zhiguo Jake, Tschaen, David, Dormer, Peter G., Volante, R. P., Reider, Paul J.

Journal:

Organic Letters

Year:

2002

Language:

english

File:

PDF, 49 KB

english, 2002

38

Mechanism of an acid chloride-imine reaction by low-temperature FT-IR: .beta.-lactam formation occurs exclusively through a ketene intermediate

Lynch, Joseph E., Riseman, Stephen M., Laswell, William L., Volante, Ralph P., Smith, George B., Shinkai, Ichiro, Tschaen, David M.

Journal:

Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 643 KB

english, 1989

39

Highly Selective Cascade Couplings for the Syntheses of Functionalized Piperidinones and Bispidines

Xu, Feng, Corley, Edward, Murry, Jerry A., Tschaen, David M.

Journal:

Organic Letters

Year:

2007

Language:

english

File:

PDF, 179 KB

english, 2007

40

ChemInform Abstract: An Improved Method for Chiral Oxazaborolidine-Catalyzed Reduction of 4- Chromanone Analogues and MK-0499.

Y.-J. SHI, D. CAI, U.-H. DOLLING, A. W. DOUGLAS, D. M. TSCHAEN, T. R. VERHOEVEN

Journal:

Year:

1995

File:

PDF, 34 KB

1995

41

ChemInform Abstract: Efficient Synthesis of α-Chloro Ketones via Reaction of Organometallic Reagents with N-Methoxy-N-methylchloroacetamide.

R. TILLYER, L. F. FREY, D. M. TSCHAEN, U.-H. DOLLING

Journal:

Year:

1996

File:

PDF, 32 KB

1996

42

ChemInform Abstract: Stereoselective Synthesis of 2-Aryloxy Acids from Lactamide Derived Esters of Racemic α-Halo Carboxylic Acids.

P. N. DEVINE, U.-H. DOLLING, R. M. HEID, D. M. TSCHAEN

Journal:

Year:

1996

File:

PDF, 32 KB

1996

43

Asymmetric bioreduction of a β-tetralone to its corresponding (S)-alcohol by the yeast Trichosporon capitatum MY 1890

Jayanthi Reddy, David Tschaen, Yao-Jun Shi, Victor Pecore, Lorraine Katz, Randolph Greasham, Michel Chartrain

Journal:

Journal of Fermentation and Bioengineering

Year:

1996

Language:

english

File:

PDF, 876 KB

english, 1996

44

The plasma corticosteroid profile in the adjuvant induced arthritic rat model

James F. Belliveau, David M. Tschaen, Karen J. Ferrante, Gerard P. O'Leary jr

Journal:

Year:

1982

Language:

english

File:

PDF, 227 KB

english, 1982

45

The Application of Asymmetric Bioreductions to the Production of Chiral Pharmaceutical Drugs

MICHEL CHARTRAIN, JOSEPH ARMSTRONG, LORRAINE KATZ, STEVEN KING, JAYANTHI REDDY, YAO-JUN SHI, DAVID TSCHAEN, RANDOLPH GREASHAM

Journal:

Annals of the New York Academy of Sciences

Year:

1996

Language:

english

File:

PDF, 318 KB

english, 1996

46

Pd-Catalyzed Aldehyde to Ester Conversion: A Hydrogen Transfer Approach

Tschaen, Brittany A., Schmink, Jason R., Molander, Gary A.

Journal:

Organic Letters

Year:

2013

Language:

english

File:

PDF, 525 KB

english, 2013

47

Practical Asymmetric Synthesis of Aprepitant, a Potent Human NK-1 Receptor Antagonist, via a Stereoselective Lewis Acid-Catalyzed Trans Acetalization Reaction

Zhao, Matthew M., McNamara, James M., Ho, Guo-Jie, Emerson, Khateeta M., Song, Zhiguo J., Tschaen, David M., Brands, Karel M. J., Dolling, Ulf-H, Grabowski, Edward J. J., Reider, Paul J., Cottrell, Ia

Journal:

Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 111 KB

english, 2002

48

Practical Synthesis of a Potent Hepatitis C Virus RNA Replication Inhibitor

Bio, Matthew M., Xu, Feng, Waters, Marjorie, Williams, J. Michael, Savary, Kimberly A., Cowden, Cameron J., Yang, Chunhua, Buck, Elizabeth, Song, Zhiguo J., Tschaen, David M., Volante, R. P., Reamer,

Journal:

Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 200 KB

english, 2004

49

Methods for the Synthesis of 5,6,7,8-Tetrahydro-1,8-naphthyridine Fragments for α V β 3 Integrin Antagonists

Hartner, Frederick W., Hsiao, Yi, Eng, Kan K., Rivera, Nelo R., Palucki, Michael, Tan, Lushi, Yasuda, Nobuyoshi, Hughes, David L., Weissman, Steven, Zewge, Daniel, King, Tony, Tschaen, Dave, Volante,

Journal:

Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 150 KB

english, 2004

50

Practical Asymmetric Synthesis of an Endothelin Receptor Antagonist

Song, Zhiguo J., Zhao, Mangzhu, Desmond, Richard, Devine, Paul, Tschaen, David M., Tillyer, Richard, Frey, Lisa, Heid, Richard, Xu, Feng, Foster, Bruce, Li, Jing, Reamer, Robert, Volante, Ralph, Dolli

Journal:

Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 208 KB

english, 1999

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