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1

Carbon-chain isomerization during the electrochemical fluorination in anhydrous hydrogen fluoride—a mechanistic study

Nikolai V. Ignat’ev, Urs Welz-Biermann, Udo Heider, Andriy Kucheryna, Stefan von Ahsen, Wolfgang Habel, Peter Sartori, Helge Willner

Journal:

Journal of Fluorine Chemistry

Year:

2003

Language:

english

File:

PDF, 486 KB

english, 2003

2

Fluorotris(trifluoromethylsulfonyl)methane: synthesis, characterization and reactivity

Peer Kirsch, Matthias Bremer, Alexander Hahn, Urs Welz-Biermann, Herwig A Buchholz, G.K.Surya Prakash, Enno Lork, Dmitri V Sevenard, Gerd-Volker Röschenthaler

Journal:

Journal of Fluorine Chemistry

Year:

2003

Language:

english

File:

PDF, 158 KB

english, 2003

3

Qualitative and quantitative structure activity relationships for the inhibitory effects of cationic head groups, functionalised side chains and anions of ionic liquids on acetylcholinesterase

Arning, Jürgen, Stolte, Stefan, Böschen, Andrea, Stock, Frauke, Pitner, William-Robert, Welz-Biermann, Urs, Jastorff, Bernd, Ranke, Johannes

Journal:

Green Chemistry

Year:

2008

Language:

english

File:

PDF, 460 KB

english, 2008

4

Esterification of glycerol with acetic acid using double SO3H-functionalized ionic liquids as recoverable catalysts

Liu, Xiumei, Ma, Huiyuan, Wu, Yue, Wang, Chang, Yang, Miao, Yan, Peifang, Welz-Biermann, Urs

Journal:

Green Chemistry

Year:

2011

Language:

english

File:

PDF, 255 KB

english, 2011

5

Microwave-assisted extraction of lactones from Ligusticum chuanxiong Hort. using protic ionic liquids

Yansheng, Chi, Zhida, Zhang, Changping, Li, Qingshan, Liu, Peifang, Yan, Welz-Biermann, Urs

Journal:

Green Chemistry

Year:

2011

Language:

english

File:

PDF, 261 KB

english, 2011

6

Thermodynamic Properties of a New Hydrophobic Amide-Based Task-Specific Ionic Liquid [EimCH 2 CONHBu][NTf 2 ]

Liu, Qing-Shan, Li, Zhuo, Welz-Biermann, Urs, Li, Chang-Ping, Liu, Xiao-Xia

Journal:

Journal of Chemical & Engineering Data

Year:

2013

Language:

english

File:

PDF, 331 KB

english, 2013

7

Liquid–liquid extraction process of amino acids by a new amide-based functionalized ionic liquid

Huaxi, Li, Zhuo, Li, Jingmei, Yin, Changping, Li, Yansheng, Chi, Qingshan, Liu, Xiuling, Zhang, Urs, Welz-Biermann

Journal:

Green Chemistry

Year:

2012

Language:

english

File:

PDF, 1.66 MB

english, 2012

8

gem-Difluorination of 2,2-Diaryl-1,3-dithiolanes by Selectfluor® and Pyridinium Polyhydrogen Fluoride.

V. Prakash Reddy, Ramesh Alleti, Meher K. Perambuduru, Urs Welz-Biermann, Herwig Buchholz, G. K. Surya Prakash

Journal:

Year:

2005

File:

PDF, 18 KB

2005

9

New Ionic Liquids with Advanced Properties

Nikolai V. Ignatyev, Urs Welz-Biermann

Journal:

Year:

2006

File:

PDF, 8 KB

2006

10

ChemInform Abstract: Synthesis of Ionic Liquids

Tom Beyersdorff, Thomas J. S. Schubert, Urs Welz-Biermann, Will Pitner, Andrew P. Abbott, Katy J. McKenzie, Karl S. Ryder

Journal:

Year:

2009

File:

PDF, 15 KB

2009

11

ChemInform Abstract: Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: PbII4{Co2 [B(OH)2P2O8] (PO4)2}Cl.

Miao Yang, Peng Chen, Urs Welz-Biermann

Journal:

Year:

2010

File:

PDF, 19 KB

2010

12

Synthesis of Tertiary sec-Alkylamines by the Addition of Grignard Reagents to N,N-Dialkylformamides Mediated by Ti(OiPr)4 and Me3SiCl

Olesya Tomashenko, Viktor Sokolov, Alexander Tomashevskiy, Herwig A. Buchholz, Urs Welz-Biermann, Vladimir Chaplinski, Armin de Meijere

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 129 KB

english, 2008

13

Gas-liquid chromatography measurements of activity coefficients at infinite dilution of hydrocarbons and alkanols in 1-alkyl-3-methylimidazolium bis(oxalato)borate

Pei-Fang Yan, Miao Yang, Chang-Ping Li, Xiu-Mei Liu, Zhi-Cheng Tan, Urs Welz-Biermann

Journal:

Fluid Phase Equilibria

Year:

2010

Language:

english

File:

PDF, 352 KB

english, 2010

14

Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: PbII4{Co2[B(OH)2P2O8](PO4)2}Cl

Miao Yang, Peng Chen, Urs Welz-Biermann

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

2010

Language:

english

File:

PDF, 2.87 MB

english, 2010

15

Activity coefficients at infinite dilution of organic solutes in N-alkylpyridinium bis(trifluoromethylsulfonyl)imide ([CnPY][NTf2], n = 2, 4, 5) using gas–liquid chromatography

Pei-Fang Yan, Qing-Shan Liu, Miao Yang, Xiu-Mei Liu, Zhi-Cheng Tan, Urs Welz-Biermann

Journal:

The Journal of Chemical Thermodynamics

Year:

2010

Language:

english

File:

PDF, 534 KB

english, 2010

16

Activity coefficients at infinite dilution of organic solutes in the ionic liquid 1-ethyl-3-methylimidazolium tetracyanoborate [EMIM][TCB] using gas–liquid chromatography

Pei-Fang Yan, Miao Yang, Xiu-Mei Liu, Chang Wang, Zhi-Cheng Tan, Urs Welz-Biermann

Journal:

The Journal of Chemical Thermodynamics

Year:

2010

Language:

english

File:

PDF, 183 KB

english, 2010

17

Activity Coefficients at Infinite Dilution of Organic Solutes in 1-Ethyl-3-methylimidazolium Tris(pentafluoroethyl)trifluorophosphate [EMIM][FAP] Using Gas−Liquid Chromatography

Yan, Pei-Fang, Yang, Miao, Liu, Xiu-Mei, Liu, Qing-Shan, Tan, Zhi-Cheng, Welz-Biermann, Urs

Journal:

Journal of Chemical & Engineering Data

Year:

2010

Language:

english

File:

PDF, 100 KB

english, 2010

18

Structure-property relationships in ILs: A study of the alkyl chain length dependence in vaporisation enthalpies of pyridinium based ionic liquids

Dzmitry H. Zaitsau, Andrei V. Yermalayeu, Vladimir N. Emel’yanenko, Sergey P. Verevkin, Urs Welz-Biermann, Thomas Schubert

Journal:

Science China Chemistry

Year:

2012

Language:

english

File:

PDF, 531 KB

english, 2012

19

Role of boron-containing ionic liquid in the synthesis of manganese borophosphate with extra-large 16-ring pore openings

Miao Yang, Peifang Yan, Feifei Xu, Jianhua Ma, Urs Welz-Biermann

Journal:

Microporous and Mesoporous Materials

Year:

2012

Language:

english

File:

PDF, 842 KB

english, 2012

20

The influence of anion species on the toxicity of 1-alkyl-3-methylimidazolium ionic liquids observed in an (eco)toxicological test battery

Matzke, Marianne, Stolte, Stefan, Thiele, Karen, Juffernholz, Tanja, Arning, Jürgen, Ranke, Johannes, Welz-Biermann, Urs, Jastorff, Bernd

Journal:

Green Chemistry

Year:

2007

Language:

english

File:

PDF, 692 KB

english, 2007

21

Effects of different head groups and functionalised side chains on the cytotoxicity of ionic liquids

Stolte, Stefan, Arning, J?rgen, Bottin-Weber, Ulrike, M?ller, Anja, Pitner, William-Robert, Welz-Biermann, Urs, Jastorff, Bernd, Ranke, Johannes

Journal:

Green Chemistry

Year:

2007

Language:

english

File:

PDF, 328 KB

english, 2007

22

Synthesis, Characterization, and Catalytic Properties of Two Zwitterionic Hybrid SBA-15 Mesoporous Silicas

Miao Yang, Feifei Xu, Chang Wang, Xiumei Liu, Peifang Yan, Peipei Li, Urs Welz-Biermann

Journal:

European Journal of Inorganic Chemistry

Year:

2012

Language:

english

File:

PDF, 967 KB

english, 2012

23

Electrical Conductivity of Solutions of Ionic Liquids with Methanol, Ethanol, Acetonitrile, and Propylene Carbonate

Zhang, Qing-Guo, Sun, Si-Si, Pitula, Slawomir, Liu, Qing-Shan, Welz-Biermann, Urs, Zhang, Jia-Jun

Journal:

Journal of Chemical & Engineering Data

Year:

2011

Language:

english

File:

PDF, 910 KB

english, 2011

24

New for old. Password to the thermodynamics of the protic ionic liquids

Verevkin, Sergey P., Zaitsau, Dzmitry H., Tong, Bo, Welz-Biermann, Urs

Journal:

Physical Chemistry Chemical Physics

Year:

2011

Language:

english

File:

PDF, 685 KB

english, 2011

25

Density, Electrical Conductivity, and Dynamic Viscosity of N -Alkyl-4-methylpyridinium Bis(trifluoromethylsulfonyl)imide

Liu, Qing-Shan, Li, Pei-Pei, Welz-Biermann, Urs, Liu, Xiao-Xia, Chen, Jian

Journal:

Journal of Chemical & Engineering Data

Year:

2012

Language:

english

File:

PDF, 536 KB

english, 2012

26

Extraction Process of Dibenzothiophene with New Distillable Amine-Based Protic Ionic Liquids

Li, Zhuo, Li, Changping, Chi, Yansheng, Wang, Ailing, Zhang, Zhida, Li, Huaxi, Liu, Qingshan, Welz-Biermann, Urs

Journal:

Year:

2012

Language:

english

File:

PDF, 825 KB

english, 2012

27

Physicochemical Properties of Ionic Liquids [C 3 py][NTf 2 ] and [C 6 py][NTf 2 ]

Liu, Qing-Shan, Yang, Miao, Li, Pei-Pei, Sun, Si-Si, Welz-Biermann, Urs, Tan, Zhi-Cheng, Zhang, Qing-Guo

Journal:

Journal of Chemical & Engineering Data

Year:

2011

Language:

english

File:

PDF, 950 KB

english, 2011

28

Desulfurization by oxidation combined with extraction using acidic room-temperature ionic liquids

Yansheng, Chi, Changping, Li, Qingzhu, Jiao, Qingshan, Liu, Peifang, Yan, Xiumei, Liu, Welz-Biermann, Urs

Journal:

Green Chemistry

Year:

2011

Language:

english

File:

PDF, 202 KB

english, 2011

29

Surface Tension and Density of Ionic Liquid n -Butylpyridinium Heptachlorodialuminate

Tong, Jing, Liu, Qing-Shan, Wang, Pan-Pan, Welz-Biermann, Urs, Yang, Jia-Zhen

Journal:

Journal of Chemical & Engineering Data

Year:

2011

Language:

english

File:

PDF, 744 KB

english, 2011

30

Vapor Pressures and Enthalpies of Vaporization of a Series of Low-Volatile Alkanolamines

Verevkin, Sergey P., Tong, Bo, Welz-Biermann, Urs, Chernyak, Yury

Journal:

Journal of Chemical & Engineering Data

Year:

2011

Language:

english

File:

PDF, 898 KB

english, 2011

31

Density, dynamic viscosity, and electrical conductivity of pyridinium-based hydrophobic ionic liquids

Liu, Qing-Shan, Li, Pei-Pei, Welz-Biermann, Urs, Chen, Jian, Liu, Xiao-Xia

Journal:

The Journal of Chemical Thermodynamics

Year:

2013

Language:

english

File:

PDF, 554 KB

english, 2013

32

Density and Surface Tension of Ionic Liquid [C 2 mim][PF 3 (CF 2 CF 3 ) 3 ] and Prediction of Properties [C n mim][PF 3 (CF 2 CF 3 ) 3 ] ( n = 1, 3, 4, 5, 6)

Liu, Qing-Shan, Tong, Jing, Tan, Zhi-Cheng, Welz-Biermann, Urs, Yang, Jia-Zhen

Journal:

Journal of Chemical & Engineering Data

Year:

2010

Language:

english

File:

PDF, 125 KB

english, 2010

33

Effects of different head groups and functionalised side chains on the aquatic toxicity of ionic liquids

Stolte, Stefan, Matzke, Marianne, Arning, Jürgen, Böschen, Andrea, Pitner, William-R., Welz-Biermann, Urs, Jastorff, Bernd, Ranke, Johannes

Journal:

Green Chemistry

Year:

2007

Language:

english

File:

PDF, 349 KB

english, 2007

34

Molar heat capacity and thermodynamic properties of N-alklypyridinium hexafluorophosphate salts, [Cnpy][PF6] (n=2, 3, 5)

Liu, Qing-Shan, Tan, Zhi-Cheng, Welz-Biermann, Urs, Liu, Xiao-Xia

Journal:

The Journal of Chemical Thermodynamics

Year:

2014

Language:

english

File:

PDF, 489 KB

english, 2014

35

Structural Features of Lithium Organoborates

Downard, Andrew, Nieuwenhuyzen, Mark, Seddon, Kenneth R., van den Berg, Jan-Albert, Schmidt, Michael A., Vaughan, Julian F. S., Welz-Biermann, Urs

Journal:

Crystal Growth & Design

Year:

2002

Language:

english

File:

PDF, 465 KB

english, 2002

36

Density and Surface Tension of Ionic Liquids [C n py][NTf 2 ] ( n = 2, 4, 5)

Liu, Qing-Shan, Yang, Miao, Yan, Pei-Fang, Liu, Xiu-Mei, Tan, Zhi-Cheng, Welz-Biermann, Urs

Journal:

Journal of Chemical & Engineering Data

Year:

2010

Language:

english

File:

PDF, 120 KB

english, 2010

37

Heat Capacity and Thermodynamic Properties of Sulfonate-Containing Zwitterions †

Liu, Xiu-Mei, Zhao, Jun-ning, Liu, Qing-Shan, Sun, Li-xian, Tan, Zhi-Cheng, Welz-Biermann, Urs

Journal:

Journal of Chemical & Engineering Data

Year:

2010

Language:

english

File:

PDF, 441 KB

english, 2010

38

Thermodynamic Properties of 1-Propyl-3-methylimidazolium Glutamic Acid Salt

Liu, Qing-Shan, Zhao, Jun-Ning, Tong, Jing, Sun, Li-Xian, Tan, Zhi-Cheng, Welz-Biermann, Urs

Journal:

Journal of Chemical & Engineering Data

Year:

2010

Language:

english

File:

PDF, 84 KB

english, 2010

39

Thermochemistry of Alkyl Pyridinium Bromide Ionic Liquids: Calorimetric Measurements and Calculations †

Tong, Bo, Liu, Qing-Shan, Tan, Zhi-Cheng, Welz-Biermann, Urs

Journal:

Journal of Physical Chemistry A

Year:

2010

Language:

english

File:

PDF, 1.13 MB

english, 2010

40

Physicochemical Properties of an Ionic Liquid [C 2 mim][B(CN) 4 ]

Tong, Jing, Liu, Qing-Shan, Kong, Yu-Xia, Fang, Da-Wei, Welz-Biermann, Urs, Yang, Jia-Zhen

Journal:

Journal of Chemical & Engineering Data

Year:

2010

Language:

english

File:

PDF, 209 KB

english, 2010

41

Thermodynamics of Solvent Extraction of Rhenium(VII) with N , N ′-Di(1-methyl-heptyl)acetamide

Fang, Dawei, Xiong, Ying, Shan, Weijun, Welz-Biermann, Urs, Zang, Shuliang

Journal:

Journal of Chemical & Engineering Data

Year:

2011

Language:

english

File:

PDF, 719 KB

english, 2011

42

gem-Difluorination of 2,2-diaryl-1,3-dithiolanes by Selectfluor� and pyridinium polyhydrogen fluoride

Reddy, V. Prakash, Alleti, Ramesh, Perambuduru, Meher K., Welz-Biermann, Urs, Buchholz, Herwig, Prakash, G. K. Surya

Journal:

Chemical Communications

Year:

2005

Language:

english

File:

PDF, 254 KB

english, 2005

43

Anion effects on the cytotoxicity of ionic liquids

Stolte, Stefan, Arning, J?rgen, Bottin-Weber, Ulrike, Matzke, Marianne, Stock, Frauke, Thiele, Karen, Uerdingen, Marc, Welz-Biermann, Urs, Jastorff, Bernd, Ranke, Johannes

Journal:

Green Chemistry

Year:

2006

Language:

english

File:

PDF, 457 KB

english, 2006

44

Chelated orthoborate ionic liquid as a reactant for the synthesis of a new cobalt borophosphate containing extra-large 16-ring channels

Yang, Miao, Xu, Feifei, Liu, Qingshan, Yan, Peifang, Liu, Xiumei, Wang, Chang, Welz-Biermann, Urs

Journal:

Dalton Transactions

Year:

2010

Language:

english

File:

PDF, 2.19 MB

english, 2010

45

Multiple Cobalt Phosphate Ring System from 1-Alkyl-3- Methylimidazolium Tetrafluoroborate Ionic Liquids

Yang, Miao, Liu, Qingshan, Va, Peifang, Liu, Xiumei, Welz-Biermann, Urs

Journal:

Heterocyclic Communications

Year:

2009

Language:

english

File:

PDF, 716 KB

english, 2009

46

N , N ′-[1,4-Phenylenebis(methylene)]bis( N , N -diethylethanaminium) dibromide

Abdul Rahim, Munirah Sufiyah, Khaledi, Hamid, Alias, Yatimah, Welz-Biermann, Urs

Journal:

Acta Crystallographica Section E Structure Reports Online

Year:

2012

Language:

english

File:

PDF, 407 KB

english, 2012