Titanium Tetrachloride and Chiral Aliphatic Alcohol as a New Lewis Acid Assisted Chiral Brønsted Acid for the Enantioselective Protonation of Silyl Enol Ether

Synlett ◽  
2006 ◽  
pp. 0150-0152
Author(s):  
Hisashi Yamamoto ◽  
Daisuke Nakashima
Keyword(s):  
Lewis Acid ◽  
Titanium Tetrachloride ◽  
Aliphatic Alcohol ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Enol Ether ◽  
Silyl Enol Ether ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid

Group Transfer Polymerization ofN,N-Dimethylacrylamide Using Nobel Efficient System Consisting of Dialkylamino Silyl Enol Ether as an Initiator and Strong Brønsted Acid as an Organocatalyst

2010 ◽  
Vol 43 (13) ◽  
pp. 5589-5594 ◽  
Author(s):  
Keita Fuchise ◽  
Ryosuke Sakai ◽  
Toshifumi Satoh ◽  
Shin-ichiro Sato ◽  
Atsushi Narumi ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Enol Ether ◽  
Efficient System ◽  
Group Transfer ◽  
Silyl Enol Ether ◽  
Brönsted Acid

scholarly journals Tailoring Lewis/Brønsted acid properties of MOF nodes via hydrothermal and solvothermal synthesis: simple approach with exceptional catalytic implications

2021 ◽  
Author(s):  
Sergio Rojas-Buzo ◽  
Benjamin Bohigues ◽  
Christian W. Lopes ◽  
Débora M. Meira ◽  
Mercedes Boronat ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Active Site ◽  
Solvothermal Synthesis ◽  
Simple Approach ◽  
Organic Reactions ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Acid Properties ◽  
Brönsted Acid

The Brønsted/Lewis acid properties of Hf-MOF-808 can be tuned by simply controlling the solvent employed in its synthesis, with direct catalytic implications on the activity and selectivity of organic reactions sensitive to the active site nature.

Practical catalytic enantioselective synthesis of 2,3-dihydroquin-azolinones by chiral brønsted acid catalysis

2021 ◽  
Author(s):  
Yongbiao Guo ◽  
Zhenhua Gao ◽  
Junchen Li ◽  
Xiaojing Bi ◽  
Enxue Shi ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Acid Catalysis ◽  
Enantioselective Synthesis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid ◽  
Bronsted Acid Catalysis

An efficient, practical and scalable protocol to prepare chiral 2,3-dihydroquinazolinones was developed under catalysis of spirocyclic SPINOL-phosphoric acid.

Cooperative Catalysis with Iron and a Chiral Brønsted Acid for Asymmetric Reductive Amination of Ketones

2014 ◽  
Vol 356 (16) ◽  
pp. 3451-3455 ◽  
Author(s):  
Shaolin Zhou ◽  
Steffen Fleischer ◽  
Haijun Jiao ◽  
Kathrin Junge ◽  
Matthias Beller
Keyword(s):  
Reductive Amination ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Cooperative Catalysis ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid
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