Výsledky vyhledávání

Precision native polysaccharides from living polymerization of anhydrosugars

Autor: Lianqian Wu, Zefeng Zhou, Devavrat Sathe, Junfeng Zhou, Shoshana Dym, Zhensheng Zhao, Junpeng Wang, Jia Niu

The composition, sequence, length, and type of glycosidic linkages of polysaccharides profoundly affect their biological and physical properties. However, investigation of the structure-function relationship of polysaccharides is hampered by accessin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0042c206c342f8cc86b14b16930b1fe1
https://doi.org/10.26434/chemrxiv-2023-rht0l

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Enantioselective Arylation of Benzylic C−H Bonds by Copper‐Catalyzed Radical Relay

Autor: Pinhong Chen, Wen Zhang, Guosheng Liu, Lianqian Wu

Publikováno v: Angewandte Chemie International Edition. 58:6425-6429

A novel enantioselective copper-catalyzed arylation of benzylic C-H bonds, using alkylarenes as a limiting reagent, has been developed. A chiral bisoxazoline ligand bearing an acetate ester moiety plays a key role in both the reactivity and enantiose

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c624f938a2cbdf4a65cc5d4f0a1e6aac
https://doi.org/10.1002/anie.201902191

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Enantioselective Construction of Quaternary All-Carbon Centers via Copper-Catalyzed Arylation of Tertiary Carbon-Centered Radicals

Autor: Fei Wang, Guosheng Liu, Pinhong Chen, Lianqian Wu

Publikováno v: Journal of the American Chemical Society. 141:1887-1892

An enantioselective copper-catalyzed arylation of tertiary carbon-centered radicals, leading to quaternary all-carbon stereocenters, has been developed herein. The tertiary carbon-centered radicals, including both benzylic and nonbenzylic radicals, w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88592b06341ed285b9e2a1868bd66ca0
https://doi.org/10.1021/jacs.8b13052

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Anionic Bisoxazoline Ligands Enable Copper-Catalyzed Asymmetric Radical Azidation of Acrylamides

Autor: Zhenyang Lin, Fei Wang, Lianqian Wu, Pinhong Chen, Guosheng Liu, Dunqi Wu, Zhihan Zhang

Publikováno v: Angewandte Chemie (International ed. in English). 60(13)

Asymmetric radical azidation for the synthesis of chiral alkylazides remains a tremendous challenge in organic synthesis. We report here an unprecedented highly enantioselective radical azidation of acrylamides catalyzed by 1 mol% of copper catalyst,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1620b0be743d5e028b001cc9b85a15f6
https://pubmed.ncbi.nlm.nih.gov/33354830

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Separation performance of dithienyl benzothiadiazole-based stationary phases for capillary gas chromatography

Autor: Xuebin Huang, Meiling Qi, Jianlin Peng, Lianqian Wu, Tao Sun

Publikováno v: RSC Advances. 7:45408-45415

This work explored the separation performance of two new dithienyl benzothiadiazole (TBT)-based materials, namely 4,7-di(5-allyl-2-thienyl)benzothiadiazole (TBT-AA) and 4-(5-allyl-2-thienyl)-7-(5-dodecyl-2-thienyl)benzothiadiazole (TBT-AC12), as the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::521614617d921d58fd3f0a89d5a59dba
https://doi.org/10.1039/c7ra07827g

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Site-specific allylic C-H bond functionalization with a copper-bound N-centred radical

Autor: Jiayuan, Li, Zhihan, Zhang, Lianqian, Wu, Wen, Zhang, Pinhong, Chen, Zhenyang, Lin, Guosheng, Liu

Publikováno v: Nature. 574(7779)

Methods for selective C-H bond functionalization have provided chemists with versatile and powerful toolboxes for synthesis, such as the late-stage modification of a lead compound without the need for lengthy de novo synthesis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::18edf2ab890d0a4e089fa2b06705cdf8
https://pubmed.ncbi.nlm.nih.gov/31645723

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