Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yongkai Xi"'
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 278, Iss , Pp 116420- (2024)
Emerging contaminants (ECs) are a diverse group of unregulated pollutants increasingly present in the environment. These contaminants, including pharmaceuticals, personal care products, endocrine disruptors, and industrial chemicals, can enter the en
Externí odkaz:
https://doaj.org/article/a2a5d48be059488eb20907d82b87abd0
Autor:
Wenjuan Yuan, Jinrong Ma, Xinlan Liu, Chengting Zi, Yongkai Xi, Xiaojing Shen, Guodong Li, Jun Sheng, Xuanjun Wang
Publikováno v:
Molecules, Vol 28, Iss 20, p 7116 (2023)
The phytochemical investigation of Veratrum mengtzeanum Loes. roots resulted in the isolation and characterization of two novel, namely Mengtzeanines A (1), Mengtzeanines B (2), and eight known steroidal alkaloids (3–10). Their structural propertie
Externí odkaz:
https://doaj.org/article/4fff2c4299e440049bd776b4147bc110
Publikováno v:
IEEE Access, Vol 12, Pp 31334-31356 (2024)
As large-scale lithium-ion battery energy storage power facilities are built, the issues of safety operations become more complex. The existing difficulties revolve around effective battery health evaluation, cell-to-cell variation evaluation, circul
Externí odkaz:
https://doaj.org/article/c330853e645846bfba123076ac652155
Autor:
Xianfu Shen, Wen Chen, Jing-Feng Zhao, Hongbin Zhang, Xiao-Dong Yang, Yongyun Zhou, Yongkai Xi
Publikováno v:
The Journal of Organic Chemistry. 83:14507-14517
In this paper, we report an enantioselective total synthesis of (+)-nocardioazine B, a prenylated hexahydropyrrolo[2,3- b]indole (HPI) alkaloid with a central 2,5-diketopiperazine (DKP) ring. The key step in our synthetic route is a copper-catalyzed
Publikováno v:
Natural Products and Bioprospecting
In this paper, we report a full account of the synthesis of dimeric hexahydropyrroloindole alkaloids and its analogues. The key feature of our new strategy is the novel catalytic copper (10 %) mediated intramolecular arylations of o-haloanilides foll
Autor:
Hongbin Zhang, Xianfu Shen, Yongyun Zhou, Xiao-Dong Yang, Yongkai Xi, Tianfeng Peng, Jingfeng Zhao
Publikováno v:
Chinese Journal of Organic Chemistry. 39:2685
Publikováno v:
Chemical communications (Cambridge, England). 51(80)
In this communication, we report a copper catalyzed sequential arylation−oxidative dimerization reaction as the key step for the synthesis of hexahydropyrroloindole alkaloids (+)-chimonanthine, (+)-folicanthine and (−)-calycanthine.
Autor:
Chenbo Yang, Meichen Feng, Lifang Song, Chao Wang, Wude Yang, Yongkai Xie, Binghan Jing, Lujie Xiao, Meijun Zhang, Xiaoyan Song, Muhammad Saleem
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract Hyperspectral remote sensing technology can be used to monitor the soil nutrient changes in a rapid, real-time, and non-destructive manner, which is of great significance to promote the development of precision agriculture. In this paper, 22
Externí odkaz:
https://doaj.org/article/1f515b7a59544a4f810962588c91fe3e
Publikováno v:
ChemInform. 43
Treatment of o-bromoanilides bearing a tethered carbamate or sulfinamide group with LiN(Tms)2/ CuI allows a new access to 3,3-disubstituted oxindole derivatives.
Publikováno v:
Organic letters. 14(12)
In the presence of catalytic amount of copper iodide, a remote amide-assisted intramolecular arylation followed by alkylation leads to a general and flexible synthetic method toward the synthesis of medicinally interesting hexahydropyrroloindole alka