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Your search keyword '"Qiu-Chi Zhang"' showing total 4 results
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4 results on '"Qiu-Chi Zhang"'

1. Preparation of highly substituted (β-acylamino)acrylates via iron-catalyzed alkoxycarbonylation of N-vinylacetamides with carbazates

Author

Yun-He Xu, Teck-Peng Loh, Qiu‐Chi Zhang, and Ran Ding

Subjects
Reaction conditions, Indoles, Chemistry, Iron catalyzed, Metals and Alloys, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Hydrazines, Acrylates, Acetamides, Materials Chemistry, Ceramics and Composites, Organic chemistry, Stereoselectivity, Ferrous Compounds
Abstract

An efficient iron(II)-catalyzed alkoxycarbonylation reaction between N-vinylacetamides and carbazates is reported. The corresponding useful highly substituted (β-acylamino)acrylates could be obtained in reasonable to good yields and stereoselectivity under mild reaction conditions.

Published
2014
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2. ChemInform Abstract: Preparation of Highly Substituted (β-Acylamino)acrylates via Iron-Catalyzed Alkoxycarbonylation of N-Vinylacetamides with Carbazates

Author

Yun-He Xu, Teck-Peng Loh, Ran Ding, and Qiu‐Chi Zhang

Subjects
Reaction conditions, Chemistry, Iron catalyzed, Stereoselectivity, General Medicine, Medicinal chemistry
Abstract

An efficient iron(II)-catalyzed alkoxycarbonylation reaction between N-vinylacetamides and carbazates is reported. The corresponding useful highly substituted (β-acylamino)acrylates could be obtained in reasonable to good yields and stereoselectivity under mild reaction conditions.

Published
2015
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3. ChemInform Abstract: Palladium-Catalyzed Direct Alkynylation of N-Vinylacetamides

Author

Tao He, Teck-Peng Loh, Yun-He Xu, Fei-Fan Meng, and Qiu‐Chi Zhang

Subjects
Coupling (electronics), chemistry, Alkynylation, Polymer chemistry, chemistry.chemical_element, General Medicine, Palladium, Catalysis
Abstract

Various N-vinylacetamides undergo Pd-catalyzed coupling with bromoalkyne (II) to afford the corresponding alkynylated products in good yields.

Published
2014
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4. ChemInform Abstract: Synthesis of Multi-Substituted Pyrroles Using Enamides and Alkynes Catalyzed by Pd(OAc)2with Molecular Oxygen as an Oxidant

Author

Teck-Peng Loh, Tao He, Qiu‐Chi Zhang, and Yun-He Xu

Subjects
Reaction conditions, Catalytic cycle, Chemistry, chemistry.chemical_element, General Medicine, Molecular oxygen, Combinatorial chemistry, Pyrrole derivatives, Catalysis, Palladium
Abstract

A cyclization reaction between enamides and alkynes catalyzed by palladium(II) acetate is described. In this method, the molecular oxygen serves as an efficient oxidant for the Pd(II)/Pd(0) catalytic cycle. The simple reaction conditions permit this methodology to be used as a general tool for the preparation of multi-substituted pyrroles.

Published
2014
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