Studies towards the N-acylative kinetic resolution of NOBIN

2011 ◽  
Vol 76 (10) ◽  
pp. 1239-1253 ◽  
Author(s):  
Stellios Arseniyadis ◽  
Mohan Mahesh ◽  
Paul McDaid ◽  
Thomas Hampel ◽  
Stephen G. Davey ◽  
...  
Keyword(s):  
Small Molecule ◽  
Kinetic Resolution ◽  
Nucleophilic Catalysts

An investigation into the N-acylation of atropisomeric anilines 8 and 2, which are related to NOBIN (1), catalysed by small molecule chiral pyridine-based nucleophilic catalysts is described. The first organocatalytic kinetic resolution (KR) of an atropisomeric aniline is described.

Bi-aryl rotation in phenyl-dihydroimidazoquinoline catalysts for kinetic resolution of arylalkyl carbinols

2014 ◽  
Vol 4 (7) ◽  
pp. 1909-1913 ◽  
Author(s):  
Zheng Wang ◽  
Jinjin Ye ◽  
Rui Wu ◽  
Yang-Zi Liu ◽  
John S. Fossey ◽  
...  
Keyword(s):  
Kinetic Resolution ◽  
High Selectivity ◽  
Very High ◽  
Nucleophilic Catalysts

Chiral nucleophilic catalysts, 6-aryl-phenyl-dihydroimidazoquinolines (PIQs), were designed, synthesised and applied to the kinetic resolution of arylalkyl carbinols with very high selectivity (S) factors (up to 530).

Chiral 4-Aryl-pyridine-N-oxide Nucleophilic Catalysts: Design, Synthesis, and Application in Acylative Dynamic Kinetic Resolution

ACS Catalysis ◽  
2021 ◽  
pp. 877-891
Author(s):  
Ming-Sheng Xie ◽  
Meng Shan ◽  
Ning Li ◽  
Yang-Guang Chen ◽  
Xiao-Bing Wang ◽  
...  
Keyword(s):  
Kinetic Resolution ◽  
Dynamic Kinetic Resolution ◽  
Design Synthesis ◽  
Nucleophilic Catalysts

The kinetic resolution of oxazinones by alcoholysis: access to orthogonally protected β-amino acids

2021 ◽  
Author(s):  
Sarah A. Cronin ◽  
Stephen J. Connon
Keyword(s):  
Amino Acids ◽  
Small Molecule ◽  
Kinetic Resolution ◽  
Peptide Chemistry

A small molecule organocatalyst can promote the alcoholytic, highly enantioselective kinetic resolution of 4- and 5-substituted oxazinones to produce orthogonally protected β2- and β3-amino acids ready for use in peptide chemistry.

Chiral Bicyclic Imidazole Nucleophilic Catalysts: Design, Synthesis, and Application to the Kinetic Resolution of Arylalkylcarbinols

2014 ◽  
Vol 356 (14-15) ◽  
pp. 3164-3170 ◽  
Author(s):  
Zhenfeng Zhang ◽  
Mo Wang ◽  
Fang Xie ◽  
Huai Sun ◽  
Wanbin Zhang
Keyword(s):  
Kinetic Resolution ◽  
Design Synthesis ◽  
Nucleophilic Catalysts

Synthesis of B-ring-fluorinated (−)-epicatechin gallate derivatives

2020 ◽  
Vol 18 (21) ◽  
pp. 4024-4028
Author(s):  
David D. S. Thieltges ◽  
Kai D. Baumgarten ◽  
Carina S. Michaelis ◽  
Constantin Czekelius
Keyword(s):  
Kinetic Resolution ◽  
Convergent Sequence ◽  
Epicatechin Gallate

Electronically modified, fluorinated catechins and epicatechins are enantioselectively synthesized in a short, convergent sequence via kinetic resolution.

A privileged ternary blend enabling non-fullerene organic photovoltaics with over 14% efficiency

2020 ◽  
Vol 8 (43) ◽  
pp. 15135-15141
Author(s):  
Jing Yan ◽  
Yuan-Qiu-Qiang Yi ◽  
Jianqi Zhang ◽  
Huanran Feng ◽  
Yanfeng Ma ◽  
...  
Keyword(s):  
Small Molecule ◽  
Organic Photovoltaics ◽  
Power Conversion ◽  
Ternary Blend ◽  
Conversion Efficiencies

Two non-fullerene small molecule acceptors, NT-4F and NT-4Cl, were designed and synthesized. Power conversion efficiencies of 11.44% and 14.55% were achieved for NT-4Cl-based binary and ternary devices, respectively.

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