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1

Development, validation and transfer of a hydrophilic interaction liquid chromatography/tandem mass spectrometric method for the analysis of the tobacco-specific nitrosamine metabolite NNAL in human plasma at low picogram per milliliter concentrations

Jiongwei Pan, Qi Song, Haihong Shi, Melissa King, Heiko Junga, Shaolian Zhou, Weng Naidong

Journal:

Rapid Communications in Mass Spectrometry

Year:

2004

Language:

english

File:

PDF, 177 KB

english, 2004

2

Eine neue Phenylentopologie: Totalsynthesen der zickzackförmigen [4]- und [5]Phenylene

Christian Eickmeier, Daniel Holmes, Heiko Junga, Adam J. Matzger, Frank Scherhag, Moonsub Shim, K. Peter C. Vollhardt

Journal:

Angewandte Chemie

Year:

1999

Language:

german

File:

PDF, 184 KB

german, 1999

3

A Novel Phenylene Topology: Total Syntheses of Zigzag [4]- and [5]Phenylene

Christian Eickmeier, Daniel Holmes, Heiko Junga, Adam J. Matzger, Frank Scherhag, Moonsub Shim, K. Peter C. Vollhardt

Journal:

Angewandte Chemie International Edition

Year:

1999

Language:

english

File:

PDF, 197 KB

english, 1999

4

5,6,11,12,17,18-Hexadehydro-1,4,7,10,13,16-hexaethinyltribenzo[a,e,i]cyclododecen: Synthese und CpCo-katalysierte Cycloisomerisierung zu den ersten superdelokalisierten Oligophenylenen

Dr. Christian Eickmeier, Dr. Heiko Junga, Adam J. Matzger, Dr. Frank Scherhag, Moonsub Shim, Prof. Dr. K. Peter C. Vollhardt

Journal:

Angewandte Chemie

Year:

1997

File:

PDF, 684 KB

1997

5

5,6,11,12,17,18-Hexadehydro-1,4,7,10,13,16-hexaethynyltribenzo[a,e,i,]cyclododecene: Synthesis and CpCo-Catalyzed Cycloisomerization to the First Superdelocalized Oligophenylenes

Dr. Christian Eickmeier, Dr. Heiko Junga, Adam J. Matzger, Dr. Frank Scherhag, Moonsub Shim, Prof. Dr. K. Peter C. Vollhardt

Journal:

Angewandte Chemie International Edition

Year:

1997

Language:

english

File:

PDF, 690 KB

english, 1997

6

Determination of S-phenylmercapturic acid in human urine using an automated sample extraction and fast liquid chromatography-tandem mass spectrometric method

Yinghe Li, Austin C. Li, Haihong Shi, Heiko Junga, Xiangyu Jiang, Weng Naidong, John H. Lauterbach

Journal:

Biomedical Chromatography

Year:

2006

Language:

english

File:

PDF, 283 KB

english, 2006

7

Simultaneous determination of theophylline, tolbutamide, mephenytoin, debrisoquin, and dapsone in human plasma using high-speed gradient liquid chromatography/tandem mass spectrometry on a silica-based monolithic column

Yu-Luan Chen, Heiko Junga, Xiangyu Jiang, Weng Naidong

Journal:

Journal of Separation Science

Year:

2003

Language:

english

File:

PDF, 440 KB

english, 2003

8

Rhenium and ruthenium induced ring closing olefin metathesis to hydroazulenes

Matthias F. Schneider, Heiko Junga, Siegfried Blechert

Journal:

Year:

1995

Language:

english

File:

PDF, 698 KB

english, 1995

9

Determination of molindone enantiomers in human plasma by high-performance liquid chromatography–tandem mass spectrometry using macrocyclic antibiotic chiral stationary phases

Hongliang Jiang, Yinghe Li, Mary Pelzer, Michelle J. Cannon, Christopher Randlett, Heiko Junga, Xiangyu Jiang, Qin C. Ji

Journal:

Journal of Chromatography A

Year:

2008

Language:

english

File:

PDF, 300 KB

english, 2008

10

Automated 96-well solid phase extraction and hydrophilic interaction liquid chromatography–tandem mass spectrometric method for the analysis of cetirizine (ZYRTEC®) in human plasma—with emphasis on method ruggedness

Qi Song, Heiko Junga, Yong Tang, Austin C. Li, Tom Addison, Melanie McCort-Tipton, Brian Beato, Weng Naidong

Journal:

Journal of Chromatography B

Year:

2005

Language:

english

File:

PDF, 297 KB

english, 2005

11

Using supported liquid extraction together with cellobiohydrolase chiral stationary phases-based liquid chromatography with tandem mass spectrometry for enantioselective determination of acebutolol and its active metabolite diacetolol in spiked human plasma

Hongliang Jiang, Christopher Randlett, Heiko Junga, Xiangyu Jiang, Qin C. Ji

Journal:

Journal of Chromatography B

Year:

2009

Language:

english

File:

PDF, 415 KB

english, 2009

12

Allenylradicals in carbocyclizations

Frank-Hardi Wartenberg, Heiko Junga, Siegfried Blechert

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 140 KB

english, 1993

13

Direct injection of solid-phase extraction eluents onto silica columns for the analysis of polar compounds isoniazid and cetirizine in plasma using hydrophilic interaction chromatography with tandem mass spectrometry

Austin C. Li, Heiko Junga, Wilson Z. Shou, Matthew S. Bryant, Xiang-yu Jiang, Weng Naidong

Journal:

Rapid Communications in Mass Spectrometry

Year:

2004

Language:

english

File:

PDF, 685 KB

english, 2004

14

A new approach to hydroazulenes via olefin metathesis

Heiko Junga, Siegfried Blechert

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 145 KB

english, 1993

15

Hetero Diels−Alder-Biocatalysis Approach for the Synthesis of ( S )-3-[2-{(Methylsulfonyl) oxy}ethoxy]-4-(triphenylmethoxy)-1-butanol Methanesulfonate, a Key Intermediate for the Synthesis of the PKC Inhibitor LY333531 1

Caille, Jean-Claude, Govindan, C. K., Junga, Heiko, Lalonde, Jim, Yao, Yiming

Journal:

Organic Process Research & Development

Year:

2002

Language:

english

File:

PDF, 97 KB

english, 2002

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