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Your search keyword '"Hong-jun Yang"' showing total 5 results
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5 results on '"Hong-jun Yang"'

2. ChemInform Abstract: A Family of Novel Bifunctional Organocatalysts: Highly Enantioselective Alcoholysis of meso Cyclic Anhydrides and Its Application for Synthesis of the Key Intermediate of P2X7Receptor Antagonists

Author

Fen-Er Chen, Hong-Jun Yang, Li Jie, and Fang-Jun Xiong

Subjects
chemistry.chemical_compound, chemistry, Organocatalysis, Enantioselective synthesis, Organic chemistry, General Medicine, Bifunctional, P2x7 receptor, Sulfamide, Catalysis
Abstract

A novel chiral sulfamide catalyst is prepared and successfully applied in the methanolysis reaction of different cyclic anhydrides.

Published
2013

3. ChemInform Abstract: Direct Bifunctional Squaramide-Catalyzed Asymmetric N-Nitroso Aldol Reaction of Tertiary β-Carbonyl Esters

Author

Shi-Qiong Yang, Le Dai, Fen-Er Chen, and Hong-Jun Yang

Subjects
Nitrosobenzene, chemistry.chemical_compound, Aldol reaction, Chemistry, Enantioselective synthesis, Squaramide, Organic chemistry, General Medicine, Nitroso, Bifunctional, Catalysis
Abstract

Enantioselective α-hydroxyamination of β-carbonyl esters and ketones is achieved by reaction with nitrosobenzene in the presence of SQA.

Published
2012

5. ChemInform Abstract: Chiral Squaramide-Catalyzed Enantioselective Conjugate Michael Addition of Various Thiols to α,β-Unsaturated N-Acylated Oxazolidin-2-ones

Author

Le Dai, Fen-Er Chen, and Hong-Jun Yang

Subjects
Chemistry, Organocatalysis, Enantioselective synthesis, Michael reaction, Squaramide, Organic chemistry, General Medicine, Conjugate, Catalysis
Abstract

Title reaction proceeds with high to excellent enantioselectivities (up to 99% e.e.) for a variety of α,β-unsaturated N-acyloxazolidinones and thiols.

Published
2012

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