scholarly journals Synthesis ofcis-1, 2-Dihalosubstituted 1, 7-Octadienes by Pd-Catalyzed Cross-Coupling Reaction in Ionic Liquids

2014 ◽  
Vol 34 (6) ◽  
pp. 1148
Author(s):  
Shaorong Yang ◽  
Changwei Ling ◽  
Jianye Ma ◽  
Lei Zhang ◽  
Jianxiao Li ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Cross Coupling Reaction

Triphenylphosphite and ionic liquids: positive effects in the Heck cross-coupling reaction

2010 ◽  
Vol 51 (52) ◽  
pp. 6867-6870 ◽  
Author(s):  
Juan C. Cárdenas ◽  
Luca Fadini ◽  
Cesar A. Sierra
Keyword(s):  
Ionic Liquids ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Positive Effects ◽  
Cross Coupling Reaction

scholarly journals Synthesis of 4-Alkyl-4H-1,2,4-triazole Derivatives by Suzuki Cross-coupling Reactions and Their Luminescence Properties

Molecules ◽  
2019 ◽  
Vol 24 (3) ◽  
pp. 652 ◽  
Author(s):  
Monika Olesiejuk ◽  
Agnieszka Kudelko ◽  
Marcin Swiatkowski ◽  
Rafal Kruszynski
Keyword(s):  
Ionic Liquids ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Boronic Acids ◽  
Luminescence Properties ◽  
Coupling Reactions ◽  
Triazole Derivatives ◽  
Cross Coupling Reactions ◽  
Cross Coupling Reaction ◽  
Derivatives Of

New derivatives of 4-alkyl-3,5-diaryl-4H-1,2,4-triazole were synthesized utilizing the Suzuki cross-coupling reaction. The presented methodology comprises of the preparation of bromine-containing 4-alkyl-4H-1,2,4-triazoles and their coupling with different commercially available boronic acids in the presence of ionic liquids or in conventional solvents. The obtained compounds were tested for their luminescence properties.

Recent Advances in Pd-Catalyzed Cross-Coupling Reaction in Ionic Liquids

2018 ◽  
Vol 2018 (11) ◽  
pp. 1284-1306 ◽  
Author(s):  
Jianxiao Li ◽  
Shaorong Yang ◽  
Wanqing Wu ◽  
Huanfeng Jiang
Keyword(s):  
Ionic Liquids ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Recent Advances ◽  
Cross Coupling Reaction

Enolboration of conjugated ketones and synthesis of beta-amino alcohols and boronated alpha-amino acids

2003 ◽  
Vol 75 (9) ◽  
pp. 1349-1355 ◽  
Author(s):  
M. Zaidlewicz ◽  
W. Sokól ◽  
A. Wolan ◽  
J. Cytarska ◽  
A. Tafelska-Kaczmarek ◽  
...  
Keyword(s):  
Amino Acids ◽  
Ionic Liquid ◽  
Ionic Liquids ◽  
Reaction Time ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Amino Alcohols ◽  
Enantioselective Synthesis ◽  
Enantioselective Reduction ◽  
Cross Coupling Reaction

Enolization–aldolization of conjugated ketones, enantioselective synthesis of benzofuryl beta-amino alcohols, and synthesis of p-dihydroxyborylphenylalanine (BPA) and its analogs are described. Aldolization of benzaldehyde with lithium dienolates derived from unhindered conjugated cyclohexenones favored anti- selectivity, whereas syn selectivity was favored for hindered cyclohexenones. Anti-aldols were preferentially formed from dienolborinates derived from conjugated cyklohexenones, however,competing aldolization at the 2-position was observed for hindered ketones. Benzofuryl beta-amino alcohols were prepared using as a key step the enantioselective reduction of the corresponding alpha-bromoacetylbenzofurans with (–)-B- -chlorodiisopinocampheylborane. Ionic liquids were used as solvents for the synthesis of BPA by the Suzuki cross-coupling reaction. The reaction time is short, and a solution of the catalyst in the ionic liquid can be recycled.

Basic ionic liquids based on monoquaternized 1,4-diazobicyclo[2.2.2]octane (dabco) and dicyanamide anion: Physicochemical and solvent properties

2009 ◽  
Vol 81 (11) ◽  
pp. 2035-2043 ◽  
Author(s):  
Cinzia Chiappe ◽  
Bernardo Melai ◽  
Angelo Sanzone ◽  
Giulia Valentini
Keyword(s):  
Ionic Liquids ◽  
Phase Transitions ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Catalyst Stability ◽  
Good Catalyst ◽  
Solvatochromic Dyes ◽  
Cross Coupling Reaction ◽  
Basic Anion ◽  
Solvent Properties

In this paper, we report on the synthesis and application of monosubstituted diazabicyclo[2.2.2]octane (dabco) cations associated with a basic anion, dicyanamide. Key properties of these salts—phase transitions, density, and conductivity—were measured and compared to those of other common ionic liquids (ILs). Moreover, solvatochromic dyes were used to assess their solvation properties. The Heck cross-coupling reaction was evaluated in dabco-based ILs and compared with the behavior in common unfunctionalized ILs, evidencing good catalyst stability and a high recyclability in these basic ILs.

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