Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Chaoxian Yan"'
Publikováno v:
Advances in Civil Engineering, Vol 2022 (2022)
The modal of a structure is the natural vibration characteristic of the structure, which is very important for damage identification of the system. To accurately measure the structural modal, it is necessary to perform clock synchronization operation
Externí odkaz:
https://doaj.org/article/1ad00dc743ab45f59c2017e7c67bce62
Autor:
Xinming Li, Baoxin Zhang, Chaoxian Yan, Jin Li, Song Wang, Xiangxu Wei, Xiaoyan Jiang, Panpan Zhou, Jianguo Fang
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-12 (2019)
Thioredoxin reductase (TrxR) plays a crucial part in regulating cellular redox homeostasis. Here, the authors developed a fluorescent probe composed of a five-membered disulphide, a coumarin fluorophore and a urea linker that detects TrxR activity wi
Externí odkaz:
https://doaj.org/article/8aa142024cd44ac3b09061210c99242a
Publikováno v:
Organic letters. 24(29)
A general approach for the metal-free synthesis of thiophenes by
Autor:
Chengshan Yuan, Wenlong Zhao, Xiaolan Liu, Chaoxian Yan, Shitao Wang, Hao-Li Zhang, Xiangfeng Shao
Publikováno v:
Chemical Science
Baeyer–Villiger (BV) oxidation is a fundamental organic reaction, whereas the hetero-BV oxidation is uncharted. Herein, a tellura-BV oxidation is discovered. By oxidizing a tellurophene-embedded and electron-rich polycycle (1) with mCPBA or Oxone,
Publikováno v:
Organic Chemistry Frontiers. 8:4767-4776
Hetero-buckybowl trichalcogenasumanenes (TCSs, 1/2) are electron rich and feature oxidative reactions. Herein, the compounds 1/2 are selectively oxidized by nitric oxide species to afford diverse products. In the presence of tert-butyl nitrite (condi
Autor:
Wei Dou, Peng-Yu Liang, Qinwei Yu, Panpan Zhou, Jianming Yang, Chaoxian Yan, Xing Yang, Ka Lu, Fang-Ling Yang
Publikováno v:
Organic Chemistry Frontiers. 8:61-76
The amination reaction between azonaphthalene and carbazole to achieve the C–H amination of an arene can be effectively accomplished by the usage of a chiral phosphoric acid catalyst, which can generate the important N-arylcarbazole framework compo
Publikováno v:
Chemistry – A European Journal. 26:7083-7091
The electron donor tetrathiafulvalene (D 1 ) was fused onto the electron-rich heterabuckybowl trichalcogenasumanene (D 2 ) through an electron-deficient pyrazine unit (A) to give 1 c, 1 d, 2 c, and 2 d, featuring the D 1 –A–D 2 structure. Both D
Publikováno v:
New Journal of Chemistry. 44:5526-5534
Monoalkylation of aniline can be readily achieved using trichloroacetimidate as an alkylating agent and a Bronsted acid, such as (±)-camphorsulfonic acid, as a catalyst. In this study, systematic theoretical calculations were performed to understand
Publikováno v:
Catalysis Science & Technology. 10:2277-2292
Asymmetric arylation of indole via a nucleophilic aromatic substitution reaction can be effectively realized when chiral phosphoric acid serves as a catalyst in the reaction between azobenzene derivative and indole, producing chiral pyrroloindolines
Publikováno v:
Organic Chemistry Frontiers. 7:1845-1861
Spirocyclic diketones with chiral all-carbon quaternary stereocenters constructed via a semipinacol rearrangement of vinylogous α-ketol cocatalyzed by a cinchona-based primary amine and Bronsted acids such as N-Boc-phenylglycine can be obtained with