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1

Pyrrolidine-based chiral pyridinium ionic liquids (ILs) as recyclable and highly efficient organocatalysts for the asymmetric Michael addition reactions

Bukuo Ni, Qianying Zhang, Allan D. Headley

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 124 KB

english, 2008

2

Morphology evolution and visible light driven photocatalysis study of Ti3+ self-doped TiO2−x nanocrystals

Li, Fang, Han, Tiehu, Wang, Huigang, Zheng, Xuming, Wan, Junmin, Ni, Bukuo

Journal:

Journal of Materials Research

Year:

2017

Language:

english

File:

PDF, 737 KB

english, 2017

3

Ionic-Liquid-Supported (ILS) Catalysts for Asymmetric Organic Synthesis

Bukuo Ni, Allan D. Headley

Journal:

Chemistry - A European Journal

Year:

2010

Language:

english

File:

PDF, 445 KB

english, 2010

4

Di(methylimidazole)prolinol Silyl Ether Catalyzed Highly Michael Addition of Aldehydes to Nitroolefins in Water

Wu, Jianbin, Ni, Bukuo, Headley, Allan D.

Journal:

Organic Letters

Year:

2009

Language:

english

File:

PDF, 212 KB

english, 2009

5

Study on the noncoincidence effect phenomenon using matrix isolated Raman spectra and the proposed structural organization model of acetone in condense phase

Xu, Wenwen, Wu, Fengqi, Zhao, Yanying, Zhou, Ran, Wang, Huigang, Zheng, Xuming, Ni, Bukuo

Journal:

Scientific Reports

Year:

2017

Language:

english

File:

PDF, 896 KB

english, 2017

6

Highly enantioselective and recyclable organocatalytic Michael addition of malonates to α,β-unsaturated aldehydes in aqueous media

Ghosh, Subrata K., Dhungana, Kritanjali, Headley, Allan D., Ni, Bukuo

Journal:

Organic & Biomolecular Chemistry

Year:

2012

Language:

english

File:

PDF, 130 KB

english, 2012

7

Ionic Liquid-Supported (ILS) ( S )-Pyrrolidine Sulfonamide, a Recyclable Organocatalyst for the Highly Enantioselective Michael Addition to Nitroolefins

Ni, Bukuo, Zhang, Qianying, Dhungana, Kritanjali, Headley, Allan D.

Journal:

Organic Letters

Year:

2009

Language:

english

File:

PDF, 112 KB

english, 2009

8

ChemInform Abstract: Highly Efficient Asymmetric Organocatalytic Michael Addition of α,α-Disubstituted Aldehydes to Nitroolefins under Solvent-Free Conditions.

He, Junpeng, Chen, Qiankun, Ni, Bukuo

Journal:

Year:

2014

File:

PDF, 27 KB

2014

9

Ionic Liquid, 1-n-Butyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide, Resulted in the First Catalyst-Free Aminohalogenation of Electron-Deficient Alkenes

Yi-Ning Wang, Bukuo Ni, Allan D. Headley, Guigen Li

Journal:

Advanced Synthesis & Catalysis

Year:

2007

Language:

english

File:

PDF, 84 KB

english, 2007

10

A Novel Recyclable Organocatalytic System for the Highly Asymmetric Michael Addition of Aldehydes to Nitroolefins in Water

Sarkar, Dhruba, Bhattarai, Ramesh, Headley, Allan, Ni, Bukuo

Journal:

Year:

2011

Language:

english

File:

PDF, 98 KB

english, 2011

11

Imidazolium ion tethered TsDPENs as efficient ligands for Iridium catalyzed asymmetric transfer hydrogenation of α-keto phosphonates in water

Sun, Mengxia, Campbell, Joann, Kang, Guowei, Wang, Huigang, Ni, Bukuo

Journal:

Journal of Organometallic Chemistry

Year:

2016

Language:

english

File:

PDF, 285 KB

english, 2016

12

ChemInform Abstract: Organocatalytic Direct Asymmetric Crossed-Aldol Reactions of Acetaldehyde in Aqueous Media.

Qiao, Yupu, Chen, Qiankun, Lin, Sirong, Ni, Bukuo, Headley, Allan D.

Journal:

Year:

2013

File:

PDF, 31 KB

2013

13

Double Ring-Closing Metathesis Reaction of Nitrogen-Containing Tetraenes: Efficient Construction of Bicyclic Alkaloid Skeletons and Synthetic Application to Four Stereoisomers of Lupinine and Their Derivatives

Shengming Ma, Bukuo Ni

Journal:

Chemistry - A European Journal

Year:

2004

Language:

english

File:

PDF, 432 KB

english, 2004

14

ChemInform Abstract: Studies on the Oxidative Addition Reaction of 1,1-Dibromo-1-alkenes, α-Dehalopalladation, and the Intramolecular Bis(carbopalladation) Reaction of Alkenes. An Efficient Entry to Fused Bicycles.

Shengming Ma, Bin Xu, Bukuo Ni

Journal:

Year:

2001

Language:

english

File:

PDF, 45 KB

english, 2001

15

Highly asymmetric Henry reaction catalyzed by chiral copper(II) complexes

Ni, Bukuo, He, Junpeng

Journal:

Tetrahedron Letters

Year:

2013

Language:

english

File:

PDF, 1.28 MB

english, 2013

16

Intramolecular Triple Heck Reaction. An Efficient Entry to Fused Tetracycles with a Benzene Core

Ma, Shengming, Ni, Bukuo

Journal:

Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 140 KB

english, 2002

17

ChemInform Abstract: Highly Enantioselective Organocatalytic Michael Addition of Ketones to Nitroolefins in the Presence of Water.

Chen, Qiankun, Qiao, Yupu, Ni, Bukuo

Journal:

Year:

2013

File:

PDF, 33 KB

2013

18

ChemInform Abstract: Ionic Liquid (IL) as an Effective Medium for the Highly Efficient Hydroacylation Reaction of Aldehydes with Azodicarboxylates.

Bukuo Ni, Qianying Zhang, Satish Garre, Allan D. Headley

Journal:

Year:

2009

File:

PDF, 30 KB

2009

19

ChemInform Abstract: A Practical and Highly Efficient Hydroacylation Reaction of Azodicarboxylates with Aldehydes in Water.

Qianying Zhang, Erica Parker, Allan D. Headley, Bukuo Ni

Journal:

Year:

2011

File:

PDF, 29 KB

2011

20

Asymmetric sequential double Michael reactions of γ , δ -unsaturated β -ketoesters to nitroolefins catalyzed by Ni (II)-diamine complex

Huang, Shengying, Scherer, Karen, Ni, Bukuo

Journal:

Catalysis Communications

Year:

2017

Language:

english

File:

PDF, 750 KB

english, 2017

21

Functionalized chiral ionic liquid as recyclable organocatalyst for asymmetric Michael addition to nitrostyrenes

Ni, Bukuo, Zhang, Qianying, Headley, Allan D.

Journal:

Green Chemistry

Year:

2007

Language:

english

File:

PDF, 233 KB

english, 2007

22

A Practical and Highly Efficient Hydroacylation Reaction of Azodicarboxylates with Aldehydes in Water

Zhang, Qianying, Parker, Erica, Headley, Allan, Ni, Bukuo

Journal:

Year:

2010

Language:

english

File:

PDF, 83 KB

english, 2010

23

ChemInform Abstract: The Application of a Recyclable Organocatalytic System to the Asymmetric Domino Michael/Henry Reaction in Aqueous Media.

Poornima Chintala, Subrata K. Ghosh, Elizabeth Long, Allan D. Headley, Bukuo Ni

Journal:

Year:

2012

File:

PDF, 30 KB

2012

24

Highly Selective Synthesis of Bicyclic Quinolizidine Alkaloids and Their Analogues via Double RCM Reaction of N -Alkynyl- N -(1,ω)-alkadienyl Acrylamides

Ma, Shengming, Ni, Bukuo, Liang, Zhiqiang

Journal:

Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 144 KB

english, 2004

25

Intramolecular Triple Heck Reaction. An Efficient Entry to Fused Tetracycles with a Benzene Core.

Shengming Ma, Bukuo Ni

Journal:

Year:

2003

File:

PDF, 209 KB

2003

26

Highly Selective Synthesis of Bicyclic Quinolizidine Alkaloids and Their Analogues via Double RCM Reaction of N-Alkynyl-N-(1,ω)-alkadienyl Acrylamides.

Shengming Ma, Bukuo Ni, Zhiqiang Liang

Journal:

Year:

2005

File:

PDF, 29 KB

2005

27

Diarylprolinol Silyl Ether Salts as New, Efficient, Water-Soluble, and Recyclable Organocatalysts for the Asymmetric Michael Addition on Water

Zheng, Zilong, Perkins, Benjamin L., Ni, Bukuo

Journal:

Journal of the American Chemical Society

Year:

2010

Language:

english

File:

PDF, 162 KB

english, 2010

28

ChemInform Abstract: Optimization of Microwave-Assisted Michael Addition Reaction Catalyzed by L-Proline in Ionic Liquid Medium Using Response Surface Methodology.

Omar, Emmy M., Rahman, Mohd Basyaruddin A., Abdulmalek, Emilia, Tejo, Bimo A., Ni, Bukuo, Headley, Allan D.

Journal:

Year:

2014

File:

PDF, 16 KB

2014

29

ChemInform Abstract: Imidazolium Ion Tethered TsDPENs as Efficient Ligands for Iridium Catalyzed Asymmetric Transfer Hydrogenation of α-Keto Phosphonates in Water.

Sun, Mengxia, Campbell, Joann, Kang, Guowei, Wang, Huigang, Ni, Bukuo

Journal:

Year:

2016

File:

PDF, 27 KB

2016

30

ChemInform Abstract: Diarylprolinol Silyl Ether Salts as New, Efficient, Water-Soluble, and Recyclable Organocatalysts for the Asymmetric Michael Addition on Water.

Zilong Zheng, Benjamin L. Perkins, Bukuo Ni

Journal:

Year:

2010

File:

PDF, 31 KB

2010

31

Studies on the Oxidative Addition Reaction of 1,1-Dibromo-1-alkenes, α-Dehalopalladation, and the Intramolecular Bis(carbopalladation) Reaction of Alkenes. An Efficient Entry to Fused Bicycles

Ma, Shengming, Xu, Bin, Ni, Bukuo

Journal:

Journal of Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 193 KB

english, 2000

32

ChemInform Abstract: Asymmetric Michael Reaction of Acetaldehyde with Nitroolefins Catalyzed by Highly Water-Compatible Organocatalysts in Aqueous Media.

Qiao, Yupu, He, Junpeng, Ni, Bukuo, Headley, Allan D.

Journal:

Year:

2013

File:

PDF, 28 KB

2013

33

Asymmetric Michael Reaction of Acetaldehyde with Nitroolefins Catalyzed by Highly Water-Compatible Organocatalysts in Aqueous Media

Qiao, Yupu, He, Junpeng, Ni, Bukuo, Headley, Allan D.

Journal:

Advanced Synthesis & Catalysis

Year:

2012

Language:

english

File:

PDF, 147 KB

english, 2012

34

ChemInform Abstract: Di(methylimidazole)prolinol Silyl Ether Catalyzed Highly Michael Addition of Aldehydes to Nitroolefins in Water.

Jianbin Wu, Bukuo Ni, Allan D. Headley

Journal:

Year:

2009

File:

PDF, 28 KB

2009

35

Intramolecular double or triple Suzuki coupling reaction of substituted di- or tribromobenzenes. An easy synthesis of fused tri- or tetracycles with a benzene core

Shengming Ma, Bukuo Ni, Shaohui Lin, Zhiqiang Liang

Journal:

Journal of Organometallic Chemistry

Year:

2005

Language:

english

File:

PDF, 150 KB

english, 2005

36

Asymmetric Michael reactions catalyzed by a highly efficient and recyclable quaternary ammonium ionic liquid-supported organocatalyst in aqueous media

Ghosh, Subrata K., Qiao, Yupu, Ni, Bukuo, Headley, Allan D.

Journal:

Organic & Biomolecular Chemistry

Year:

2013

Language:

english

File:

PDF, 167 KB

english, 2013

37

ChemInform Abstract: Asymmetric Michael Reactions Catalyzed by a Highly Efficient and Recyclable Quaternary Ammonium Ionic Liquid-Supported Organocatalyst in Aqueous Media.

Ghosh, Subrata K., Qiao, Yupu, Ni, Bukuo, Headley, Allan D.

Journal:

Year:

2013

File:

PDF, 30 KB

2013

38

ChemInform Abstract: Ionic Liquid Supported (ILS) (S)-Pyrrolidine Sulfonamide, a Recyclable Organocatalyst for the Highly Enantioselective Michael Addition to Nitroolefins.

Bukuo Ni, Qianying Zhang, Kritanjali Dhungana, Allan D. Headley

Journal:

Year:

2009

File:

PDF, 44 KB

2009

39

Asymmetric Michael addition reactions of aldehydes with nitrostyrenes catalyzed by functionalized chiral ionic liquids

Qianying Zhang, Bukuo Ni, Allan D. Headley

Journal:

Year:

2008

Language:

english

File:

PDF, 551 KB

english, 2008

40

Novel imidazolium chiral ionic liquids that contain a urea functionality

Bukuo Ni, Allan D. Headley

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 118 KB

english, 2006

41

ChemInform Abstract: Highly Enantioselective and Recyclable Organocatalytic Michael Addition of Malonates to α,β-Unsaturated Aldehydes in Aqueous Media.

Ghosh, Subrata K., Dhungana, Kritanjali, Headley, Allan D., Ni, Bukuo

Journal:

Year:

2013

File:

PDF, 30 KB

2013

42

Imidazolium ion tethered TsDPENs as efficient water-soluble ligands for rhodium catalyzed asymmetric transfer hydrogenation of aromatic ketones

Kang, Guowei, Lin, Silong, Shiwakoti, Atul, Ni, Bukuo

Journal:

Catalysis Communications

Year:

2014

Language:

english

File:

PDF, 489 KB

english, 2014

43

ChemInform Abstract: Ionic-Liquid-Supported (ILS) Catalysts for Asymmetric Organic Synthesis

Bukuo Ni, Allan D. Headley

Journal:

Year:

2010

File:

PDF, 15 KB

2010

44

ChemInform Abstract: A Novel Recyclable Organocatalytic System for the Highly Asymmetric Michael Addition of Aldehydes to Nitroolefins in Water.

Dhruba Sarkar, Ramesh Bhattarai, Allan D. Headley, Bukuo Ni

Journal:

Year:

2011

File:

PDF, 32 KB

2011

45

Asymmetric domino Michael–Henry reaction of 1,2-diones with nitroolefins catalyzed by a chiral bisoxazolidine–Ni(acac)2 complex

Liang, Qian, He, Junpeng, Ni, Bukuo

Journal:

Tetrahedron: Asymmetry

Year:

2014

Language:

english

File:

PDF, 588 KB

english, 2014

46

ChemInform Abstract: Highly Asymmetric Henry Reaction Catalyzed by Chiral Copper(II) Complexes.

Ni, Bukuo, He, Junpeng

Journal:

Year:

2013

File:

PDF, 31 KB

2013

47

Organocatalytic Direct Asymmetric Crossed-Aldol Reactions of Acetaldehyde in Aqueous Media

Qiao, Yupu, Chen, Qiankun, Lin, Sirong, Ni, Bukuo, Headley, Allan D.

Journal:

Journal of Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 451 KB

english, 2013

48

Design and Synthesis of C-2 Substituted Chiral Imidazolium Ionic Liquids from Amino Acid Derivatives

Ni, Bukuo, Headley, Allan D., Li, Guigen

Journal:

Journal of Organic Chemistry

Year:

2005

Language:

english

File:

PDF, 101 KB

english, 2005

49

Optimization of Microwave-Assisted Michael Addition Reaction Catalyzed by L-Proline in Ionic Liquid Medium Using Response Surface Methodology

Omar, Emmy M., Rahman, Mohd Basyaruddin A., Abdulmalek, Emilia, Tejo, Bimo A., Ni, Bukuo, Headley, Allan D.

Journal:

Synthetic Communications

Year:

2014

Language:

english

File:

PDF, 1.23 MB

english, 2014

50

The Application of a Recyclable Organocatalytic System to the Asymmetric Domino Michael/Henry Reaction in Aqueous Media

Poornima Chintala, Subrata K. Ghosh, Elizabeth Long, Allan D. Headley, Bukuo Ni

Journal:

Advanced Synthesis & Catalysis

Year:

2011

Language:

english

File:

PDF, 163 KB

english, 2011

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