scholarly journals Experimental and Computational Investigations of the Reactions between α,β‐Unsaturated Lactones and 1,3‐Dienes by Cooperative Lewis Acid/Brønsted Acid Catalysis

2020 ◽  
Vol 59 (42) ◽  
pp. 18709-18716
Author(s):  
Anja Weber ◽  
Martin Breugst ◽  
Jörg Pietruszka
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Unsaturated Lactones ◽  
Bronsted Acid Catalysis

Iron(III)‐Catalyzed Hydration of Unactivated Internal Alkynes in Weak Acidic Medium, under Lewis Acid‐Assisted Brønsted Acid Catalysis

2019 ◽  
Vol 361 (19) ◽  
pp. 4517-4526
Author(s):  
Achille Antenucci ◽  
Piergiorgio Flamini ◽  
Marco Valerio Fornaiolo ◽  
Sergio Di Silvio ◽  
Sara Mazzetti ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Acidic Medium ◽  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Internal Alkynes ◽  
Bronsted Acid Catalysis

Multicomponent reaction through cooperative trio catalysis incorporating enamine, Brønsted acid and metal Lewis acid catalysis: a concise route to access chromans

2017 ◽  
Vol 15 (23) ◽  
pp. 4933-4936 ◽  
Author(s):  
Chamini V. Karunaratne ◽  
Ryan G. Sarkisian ◽  
Jennifer Reeves ◽  
Yongming Deng ◽  
Kraig A. Wheeler ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Multicomponent Reaction ◽  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Lewis Acid Catalysis ◽  
Brönsted Acid ◽  
Bronsted Acid Catalysis

Chroman formation is achieved through a tricatalytic system incorporating enamine, metal Lewis acid and Brønsted acid catalysis.

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.

Inhibition by Water during Heterogeneous Brønsted Acid Catalysis by Three-Dimensional Crystalline Organic Salts

2021 ◽  
Author(s):  
Alexander Gak ◽  
Svetlana Kuznetsova ◽  
Yulia Nelyubina ◽  
Alexander A. Korlyukov ◽  
Han Li ◽  
...  
Keyword(s):  
Acid Catalysis ◽  
Three Dimensional ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Organic Salts ◽  
Brönsted Acid ◽  
Bronsted Acid Catalysis
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