scholarly journals Desymmetrization of unactivated bis-alkenes via chiral Brønsted acid-catalysed hydroamination

2020 ◽  
Vol 11 (23) ◽  
pp. 5987-5993
Author(s):  
Zhang-Long Yu ◽  
Yong-Feng Cheng ◽  
Na-Chuan Jiang ◽  
Jian Wang ◽  
Li-Wen Fan ◽  
...  
Keyword(s):  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Concerted Mechanism ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid ◽  
Bronsted Acid Catalysis

Highly stereoselective desymmetrising hydroamination of various unactivated alkenes has been achieved using chiral Brønsted acid catalysis via a concerted mechanism.

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.

Generation and exploitation of acyclic azomethine imines in chiral Brønsted acid catalysis

2011 ◽  
Vol 3 (8) ◽  
pp. 642-646 ◽  
Author(s):  
Takuya Hashimoto ◽  
Hidenori Kimura ◽  
Yu Kawamata ◽  
Keiji Maruoka
Keyword(s):  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Azomethine Imines ◽  
Chiral Bronsted Acid ◽  
Bronsted Acid Catalysis

Recent Progress in Chiral Brønsted Acid Catalysis

2006 ◽  
Vol 348 (9) ◽  
pp. 999-1010 ◽  
Author(s):  
Takahiko Akiyama ◽  
Junji Itoh ◽  
Kohei Fuchibe
Keyword(s):  
Recent Progress ◽  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid ◽  
Bronsted Acid Catalysis

Consecutive Intermolecular Reductive Hydroamination: Cooperative Transition-Metal and Chiral Brønsted Acid Catalysis

2012 ◽  
Vol 18 (29) ◽  
pp. 9005-9010 ◽  
Author(s):  
Steffen Fleischer ◽  
Svenja Werkmeister ◽  
Shaolin Zhou ◽  
Kathrin Junge ◽  
Matthias Beller
Keyword(s):  
Transition Metal ◽  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid ◽  
Cooperative Transition ◽  
Bronsted Acid Catalysis

Asymmetric aerobic decarboxylative Povarov reactions of N-aryl α-amino acids with methylenephthalimidines via cooperative photoredox and chiral Brønsted acid catalysis

2019 ◽  
Vol 55 (86) ◽  
pp. 12916-12919 ◽  
Author(s):  
Jiangtao Li ◽  
Ziwei Gu ◽  
Xiaowei Zhao ◽  
Baokun Qiao ◽  
Zhiyong Jiang
Keyword(s):  
Amino Acids ◽  
Acid Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Synthetic Utility ◽  
Chiral Bronsted Acid ◽  
Bronsted Acid Catalysis

This work realizes a new synthetic utility of methylenephthalimidines as a 1,2-synthon and the synthesis of valuable chiral isoindolin-1-ones featuring a 3,3-spiro-tetrahydroquinoline-based stereocenter.

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