Lewis Acid Regulated Divergent Catalytic Reaction between Quinone Imine Ketals (QIKs) and 1,3‐Dicarbonyl Compounds: Switchable Access to Multiple Products Including 2‐Aryl‐1,3‐Dicarbonyl Compounds, Indoles, and Benzofurans

2021 ◽  
Author(s):  
Xingyu Chen ◽  
Sixian Lu ◽  
Ping Deng ◽  
Xiaoqiang Chang ◽  
Yifan Zhao ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Catalytic Reaction ◽  
Quinone Imine ◽  
Dicarbonyl Compounds ◽  
Multiple Products

N-Heterocyclic Carbene/Lewis Acid Catalyzed Enantioselective Aerobic Annulation of α,β-Unsaturated Aldehydes with 1,3-Dicarbonyl Compounds

2016 ◽  
Vol 81 (14) ◽  
pp. 6136-6141 ◽  
Author(s):  
Danbo Xie ◽  
Dan Shen ◽  
Qiliang Chen ◽  
Jiaqi Zhou ◽  
Xiaofei Zeng ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Dicarbonyl Compounds ◽  
Unsaturated Aldehydes ◽  
Acid Catalyzed

Time-resolved observation of V2O5/TiO2 in NH3-SCR reveals the equivalence of Brønsted and Lewis acid sites

2020 ◽  
Vol 56 (98) ◽  
pp. 15450-15453
Author(s):  
Inhak Song ◽  
Hwangho Lee ◽  
Se Won Jeon ◽  
Taejin Kim ◽  
Do Heui Kim
Keyword(s):  
Lewis Acid ◽  
Catalytic Reaction ◽  
Reaction Rates ◽  
Acid Sites ◽  
Lewis Acid Sites ◽  
Time Resolved ◽  
Nh3 Scr ◽  
Brønsted And Lewis Acid

Reaction rates of Lewis-NH3 and Brønsted-NH3 species were measured to be equivalent in the selective catalytic reaction over V2O5/TiO2 catalyst.

Insights into N-heterocyclic carbene and Lewis acid cooperatively catalyzed oxidative [3 + 3] annulation reactions of α,β-unsaturated aldehyde with 1,3-dicarbonyl compounds

2020 ◽  
Vol 7 (9) ◽  
pp. 1113-1121 ◽  
Author(s):  
Xinghua Wang ◽  
Yang Wang ◽  
Jinshuai Song ◽  
Donghui Wei
Keyword(s):  
Lewis Acid ◽  
Unsaturated Aldehyde ◽  
Dicarbonyl Compounds

N-Heterocyclic carbene and Lewis acid cooperatively catalyzed oxidative [3 + 3] annulation reactions of 1,3-dicarbonyl compounds have been systematically studied in theory.

Lewis acid induced .alpha.-alkoxyalkylation of 1,3-dicarbonyl compounds

1988 ◽  
Vol 53 (23) ◽  
pp. 5540-5542 ◽  
Author(s):  
R. Antonioletti ◽  
F. Bonadies ◽  
Arrigo Scettri
Keyword(s):  
Lewis Acid ◽  
Dicarbonyl Compounds

Lewis Acid Catalyzed [3+2] Coupling of Indoles with Quinone Monoacetals or Quinone Imine Ketal

2014 ◽  
Vol 2014 (21) ◽  
pp. 4467-4471 ◽  
Author(s):  
Chang Shu ◽  
Li-Hua Liao ◽  
Yi-Jun Liao ◽  
Xiao-Yan Hu ◽  
Yong-Hong Zhang ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Quinone Imine ◽  
Acid Catalyzed

ChemInform Abstract: Lewis Acid Catalyzed [3 + 2] Coupling of Indoles with Quinone Monoacetals or Quinone Imine Ketal.

ChemInform ◽  
2015 ◽  
Vol 46 (8) ◽  
pp. no-no
Author(s):  
Chang Shu ◽  
Li-Hua Liao ◽  
Yi-Jun Liao ◽  
Xiao-Yan Hu ◽  
Yong-Hong Zhang ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Quinone Imine ◽  
Acid Catalyzed
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