Zobrazeno 1 - 10
of 108
pro vyhledávání: '"Xiao-Qiang Hu"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 100-106 (2023)
Herein, we report an unprecedented Rh(III)-catalyzed C–H activation/annulation cascade of readily available enaminones with iodonium ylides towards the convenient synthesis of isocoumarins. This coupling system proceeds in useful chemical yields (u
Externí odkaz:
https://doaj.org/article/bcf62d9ab6924e71b7524744a6499678
Autor:
Li-ming Zhao, An-da Shi, Yan Yang, Zeng-li Liu, Xiao-Qiang Hu, Li-Zhuang Shu, Yong-chang Tang, Zong-li Zhang
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
Cholangiocarcinoma (CCA) is a highly malignant tumor of the hepatobiliary system that has failed to respond to many traditional therapies to a certain extent, including surgery, chemotherapy and radiotherapy. In recent years, the new therapeutic sche
Externí odkaz:
https://doaj.org/article/2a0c10de9b42439c967a9e077d8a17d1
Autor:
Yun-cheng Li, Kang-shuai Li, Zeng-li Liu, Yong-chang Tang, Xiao-Qiang Hu, Xing-yong Li, An-da Shi, Li-ming Zhao, Li-Zhuang Shu, Shuo Lian, Zhang-di Yan, Shao-hui Huang, Guo-li Sheng, Yan Song, Yun-jia Liu, Fan Huan, Ming-hui Zhang, Zong-li Zhang
Publikováno v:
Frontiers in Immunology, Vol 13 (2022)
Biliary tract cancers (BTCs), including cholangiocarcinoma and gallbladder carcinoma, originate from the biliary epithelium and have a poor prognosis. Surgery is the only choice for cure in the early stage of disease. However, most patients are diagn
Externí odkaz:
https://doaj.org/article/2223e087bbcf4446aa7db24be56c49b0
Publikováno v:
iScience, Vol 23, Iss 7, Pp 101266- (2020)
Aryl carboxylic acids are stable and readily available in great structural diversity both from natural and well-established synthetic procedures, which make them promising starting materials in organic synthesis. The conversion of benzoic acids into
Externí odkaz:
https://doaj.org/article/27d837c214684a6ab24f99af224c34c2
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-12 (2016)
The use of N-centred radicals is limited by the difficulties in their preparation. Here, the authors report a photoredox method for the formation of N-centred radicals on hydrazones and their use for the synthesis of heterocyclic compounds through a
Externí odkaz:
https://doaj.org/article/39bf6059c2b54846a1580653b55abaac
Autor:
Quan-Qing Zhao, Xiao-Qiang Hu
Publikováno v:
Molecules, Vol 25, Iss 19, p 4367 (2020)
Benzosultams represent one category of multi-heteroatom heterocyclic scaffolds, which have been frequently found in pharmaceuticals, agricultural agents, and chiral catalysts. Given the diversely significant functions of these compounds in organic an
Externí odkaz:
https://doaj.org/article/1c1a676ef49d4948a304eb5275b15684
Publikováno v:
Organic Chemistry Frontiers. 10:2002-2006
A copper-catalyzed tandem cyclization reaction of readily available 4-bromoisatins and amidine hydrochlorides has been developed for the first time, enabling the efficient synthesis of pyrimidoquinazolinones in useful yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eabe3341602c52d441f8b14ae066f80a
https://doi.org/10.1039/d3qo00172e
https://doi.org/10.1039/d3qo00172e
Publikováno v:
Chemical Communications. 59:438-441
An unprecedented DMAP-catalysed amidation of aryl and alkyl carboxylic acids with organo-cyanamides has been developed for the first time, enabling the efficient synthesis of a range of structurally diverse amides in useful to good yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f95b5001e52924d18678f046e6b23d6f
https://doi.org/10.1039/d2cc05826j
https://doi.org/10.1039/d2cc05826j
Publikováno v:
Chemical Communications. 59:1889-1906
Recent progress on catalytic nitrene transfer reactions with hydroxylamine derivatives as prevalent precursors is summarized in this highlight.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5489ccc7ea2f084943e4fdba3572d25
https://doi.org/10.1039/d2cc06318b
https://doi.org/10.1039/d2cc06318b
Impact of Rare Earth Addition on Creep Rupture Behavior of 316LN Austenitic Stainless Steel at 700°C
Publikováno v:
Materials Science Forum. 1072:37-44
Effect of rare earth (RE) on creep rupture behavior of 316LN austenitic stainless steel (316LN steel) was investigated after crept at 700°C under the stress in the range from 125MPa to 200MPa, by the optical microscopy (OM), scanning electron micros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a00021152065e96a76a8a6dc73bea630
https://doi.org/10.4028/p-59845f
https://doi.org/10.4028/p-59845f