scholarly journals The True Catalyst Revealed: The Intervention of Chiral Ca and Mg Phosphates in Brønsted Acid Promoted Asymmetric Mannich Reactions

2018 ◽  
Vol 140 (16) ◽  
pp. 5412-5420 ◽  
Author(s):  
Luis Simón ◽  
Robert S. Paton
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Mannich Reactions ◽  
Brönsted Acid

Polyelectrolyte Brønsted acid catalyzed three-component Mannich reactions accelerated by emulsion

RSC Advances ◽  
2016 ◽  
Vol 6 (45) ◽  
pp. 39343-39347 ◽  
Author(s):  
Xi Chen ◽  
Huaming Sun ◽  
Yanlong Luo ◽  
Yajun Jian ◽  
Ya Wu ◽  
...  
Keyword(s):  
Polyacrylic Acid ◽  
Mannich Reaction ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Mannich Reactions ◽  
Brönsted Acid ◽  
Acid Catalyzed

An effective polyelectrolyte Brønsted acid (polyacrylic acid) catalyzed three-component Mannich reaction accelerated by emulsion has been developed.

Efficient synthesis of chiral cyclic acetals by metal and Brønsted acid co-catalyzed enantioselective four-component cascade reactions

2014 ◽  
Vol 50 (17) ◽  
pp. 2196-2198 ◽  
Author(s):  
Lin Qiu ◽  
Xin Guo ◽  
Chaoqun Ma ◽  
Huang Qiu ◽  
Shunying Liu ◽  
...  
Keyword(s):  
Michael Addition ◽  
Cascade Reactions ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Efficient Synthesis ◽  
Mannich Reactions ◽  
Cyclic Acetals ◽  
Brönsted Acid

Four-component Mannich reactions subsequently followed by an intramolecular oxo-Michael addition were developed to efficiently produce chiral cyclic acetals with high diastereoselectivity and enantioselectivity.

Combined α,α-dialkylprolinol ether/Brønsted acid promotes Mannich reactions of aldehydes with unactivated imines. An entry to anti-configured propargylic amino alcohols

2012 ◽  
Vol 3 (10) ◽  
pp. 2949 ◽  
Author(s):  
Enrique Gómez-Bengoa ◽  
Jacqueline Jiménez ◽  
Irati Lapuerta ◽  
Antonia Mielgo ◽  
Mikel Oiarbide ◽  
...  
Keyword(s):  
Amino Alcohols ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Mannich Reactions ◽  
Brönsted Acid

Solvent-Free Acetalization of Glycerol with n-Octanal using Combined Brønsted Acid-Surfactant Catalyst

2017 ◽  
Vol 54 (1) ◽  
pp. 54-63 ◽  
Author(s):  
Xu Li ◽  
Lan Wu ◽  
Qiong Tang ◽  
Jinxiang Dong
Keyword(s):  
Solvent Free ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid

Synthetic Scope of Brønsted Acid-Catalyzed Reactions of Carbonyl Compounds and Ethyl Diazoacetate

2021 ◽  
Author(s):  
Mizzanoor Rahaman ◽  
M. Shahnawaz Ali ◽  
Khorshada Jahan ◽  
Damon Hinz ◽  
Jawad Bin Belayet ◽  
...  
Keyword(s):  
Carbonyl Compounds ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Ethyl Diazoacetate ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Catalyzed Reactions
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