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Your search keyword '"Chen, Xiao‐Qin"' showing total 6 results
Start Over Author "Chen, Xiao‐Qin" Topic diastereoselective syntheses
6 results on '"Chen, Xiao‐Qin"'

2. ChemInform Abstract: Highly Diastereoselective Synthesis of Imidazolidine-Dispirooxindoles via Three-Component [3 + 2] Cycloadditions of Isatins, 2-(Aminomethyl)pyridine and Isatin-Based Imines.

Author

Zhao, Hong‐Wu, Chen, Xiao‐Qin, Yang, Zhao, Tian, Ting, Li, Bo, Meng, Wei, Song, Xiu‐Qing, and Pang, Hai‐Liang

Subjects
*STEREOSELECTIVE reactions, *CHEMICAL synthesis, *BENZYLAMINE
Abstract

Notably, benzylamine as amine component does not react. [ABSTRACT FROM AUTHOR]

Published
2016
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3. ChemInform Abstract: Facile Construction of Novel Imidazolidine-Spirooxindoles via Diastereoselective Cycloaddition of N-Acylhydrazine-Derived Imines with 3-Isothiocyanato Oxindoles.

Author

Zhao, Hong‐Wu, Li, Bo, Tian, Ting, Song, Xiu‐Qing, Pang, Hai‐Liang, Chen, Xiao‐Qin, Yang, Zhao, and Meng, Wei

Subjects
*IMIDAZOLIDINES, *RING formation (Chemistry), *OXINDOLES
Abstract

An abstract of the study "Facile Construction of Novel Imidazolidine-Spirooxindoles via Diastereoselective Cycloaddition of N-Acylhydrazine-Derived Imines with 3-Isothiocyanato Oxindoles" is presented.

Published
2016
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4. ChemInform Abstract: Diastereoselective 1,3-Dipolar Cycloadditions of N,N′-Cyclic Azomethine Imines with Iminooxindoles for Access to Oxindole Spiro-N,N-bicyclic Heterocycles.

Author

Zhao, Hong‐Wu, Li, Bo, Pang, Hai‐Liang, Tian, Ting, Chen, Xiao‐Qin, Song, Xiu‐Qing, Meng, Wei, Yang, Zhao, Zhao, Yu‐Di, and Liu, Yue‐Yang

Subjects
*RING formation (Chemistry), *IMINE derivatives, *OXINDOLE alkaloids
Abstract

The article discusses spirocyclic compounds including dipolar cycloadditions of N,N'-Cyclic azomethine imines, Iminooxindoles and the synthesis of Oxindole Spiro-N,N-bicyclic Heterocycles.

Published
2016
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5. ChemInform Abstract: Diastereo- and Enantioselective Synthesis of Chiral Pyrrolidine-Fused Spirooxindoles via Organocatalytic [3 + 2] 1,3-Dipolar Cycloaddition of Azomethine Ylides with Maleimides.

Author

Zhao, Hong‐Wu, Yang, Zhao, Meng, Wei, Tian, Ting, Li, Bo, Song, Xiu‐Qing, Chen, Xiao‐Qin, and Pang, Hai‐Liang

Subjects
*ENANTIOSELECTIVE catalysis, *PYRROLIDINE, *RING formation (Chemistry)
Abstract

In the presence of the Cinchona alkaloid-based squaramide organocatalyst QSQ, the [3+2] cycloaddition of isatin-derived azomethine ylides with maleimides proceeds readily to deliver pyrrolidine-fused spirooxindoles. [ABSTRACT FROM AUTHOR]

Published
2015
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6. ChemInform Abstract: Highly Enantioselective Synthesis of Chiral Pyranonaphthoquinone-Fused Spirooxindoles Through Organocatalytic Three-Component Cascade Reactions.

Author

Zhao, Hong‐Wu, Li, Bo, Tian, Ting, Meng, Wei, Yang, Zhao, Song, Xiu‐Qing, Chen, Xiao‐Qin, and Pang, Hai‐Liang

Subjects
*ASYMMETRIC synthesis, *PYRANONES synthesis, *NAPHTHOQUINONE, *HETEROCYCLIC compounds synthesis, *BENZOPYRANS, *ISOINDOLE, *ORGANOCATALYSIS
Abstract

In the presence of cinchona-thiourea organocatalyst, the enantioselective three-component cascade reaction of isatins, malononitrile, and 2-hydroxynaphthalene-1,4-diones proceeds readily to furnish chiral pyranonaphthoquinone-fused spirooxindoles. [ABSTRACT FROM AUTHOR]

Published
2015
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