Chiral Phosphoric Acid Catalyzed Asymmetric Synthesis of Axially Chiral Compounds

2021 ◽  
Author(s):  
Bing‐Chao Da ◽  
Shao‐Hua Xiang ◽  
Shaoyu Li ◽  
Bin Tan
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Synthesis ◽  
Chiral Compounds ◽  
Chiral Phosphoric Acid ◽  
Axially Chiral ◽  
Acid Catalyzed

scholarly journals Recent advances in the asymmetric phosphoric acid-catalyzed synthesis of axially chiral compounds

2021 ◽  
Vol 17 ◽  
pp. 2729-2764
Author(s):  
Alemayehu Gashaw Woldegiorgis ◽  
Xufeng Lin
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Catalysis ◽  
Medicinal Chemistry ◽  
High Efficiency ◽  
Biologically Active ◽  
Chiral Compounds ◽  
Chiral Phosphoric Acid ◽  
Wide Range ◽  
Axially Chiral ◽  
Acid Catalyzed

In recent years, the synthesis of axially chiral compounds has received considerable attention due to their extensive application as biologically active compounds in medicinal chemistry and as chiral ligands in asymmetric catalysis. Chiral phosphoric acids are recognized as efficient organocatalysts for a variety of enantioselective transformations. In this review, we summarize the recent development of chiral phosphoric acid-catalyzed synthesis of a wide range of axially chiral biaryls, heterobiaryls, vinylarenes, N-arylamines, spiranes, and allenes with high efficiency and excellent stereoselectivity.

Asymmetric Synthesis of t-Butyl 3-Alkyl-oxindole-3-carboxylates via Chiral Phosphoric Acid Catalyzed Desymmetrization of Di-t-butyl 2-Alkyl-2-(2-aminophenyl)malonates

Heterocycles ◽  
2019 ◽  
Vol 99 (2) ◽  
pp. 1398
Author(s):  
Takaaki Sumiyoshi ◽  
Kyoji Ishida ◽  
Masahiro Shimizu ◽  
Yu-suke Yamai ◽  
Itaru Natsutani ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Synthesis ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed

Chiral phosphoric acid catalyzed atroposelective and diastereoselective synthesis of 9-aryltetrahydroacridines

2020 ◽  
Vol 7 (16) ◽  
pp. 2255-2262 ◽  
Author(s):  
You-Dong Shao ◽  
Dan-Dan Han ◽  
Wen-Yue Ma ◽  
Dao-Juan Cheng
Keyword(s):  
Phosphoric Acid ◽  
Diastereoselective Synthesis ◽  
Chiral Phosphoric Acid ◽  
Axially Chiral ◽  
Acid Catalyzed

A chiral phosphoric acid catalyzed atroposelective annulation between 2-aminoaryl ketones and alicyclic ketones has been developed to access a new library of enantioenriched axially chiral 9-aryltetrahydroacridines.

Asymmetric synthesis of atropisomeric pyrazole via an enantioselective reaction of azonaphthalene with pyrazolone

2019 ◽  
Vol 55 (84) ◽  
pp. 12715-12718 ◽  
Author(s):  
Huijun Yuan ◽  
Yao Li ◽  
Hanhui Zhao ◽  
Zhihong Yang ◽  
Xin Li ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Synthesis ◽  
Pyrazole Derivatives ◽  
Asymmetric Reaction ◽  
Chiral Phosphoric Acid ◽  
Wide Range ◽  
Axially Chiral ◽  
Enantioselective Reaction ◽  
Catalytic Asymmetric

The first catalytic asymmetric reaction of azonaphthalene with pyrazolone has been established. A wide range of axially chiral pyrazole derivatives have been achieved in good yields (68–99%) with excellent enantioselectivities (83–98% ee) by utilizing chiral phosphoric acid as a catalyst.

scholarly journals Asymmetric synthesis of novel spirocycles via a chiral phosphoric acid catalyzed desymmetrization

2019 ◽  
Vol 60 (18) ◽  
pp. 1262-1264 ◽  
Author(s):  
Amber M. Kelley ◽  
Eni Minerali ◽  
Jennifer E. Wilent ◽  
Nicholas J. Chambers ◽  
Kyla J. Stingley ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Synthesis ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed

Asymmetric synthesis of CF3- and indole-containing tetrahydro-β-carbolines via chiral spirocyclic phosphoric acid-catalyzed aza-Friedel–Crafts reaction

2017 ◽  
Vol 4 (7) ◽  
pp. 1407-1410 ◽  
Author(s):  
En Xie ◽  
Abdul Rahman ◽  
Xufeng Lin
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Synthesis ◽  
Acid Catalysis ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed ◽  
Quaternary Stereocenter

An enantioselective aza-Friedel–Crafts reaction of indoles with 1-trifluoromethyl-3,4-dihydro-β-carbolines has been developed to afford tetrahydro-β-carbolines with a CF3- and indole-containing quaternary stereocenter by using chiral phosphoric acid catalysis.

Chiral Phosphoric Acid Catalyzed Asymmetric Synthesis of Hetero-triarylmethanes from Racemic Indolyl Alcohols

2018 ◽  
Vol 57 (34) ◽  
pp. 11004-11008 ◽  
Author(s):  
Caizhen Yue ◽  
Fei Na ◽  
Xiantao Fang ◽  
Yang Cao ◽  
Jon C. Antilla
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Synthesis ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed
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