Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Xiao-Yu Guan"'
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 3, Pp 101846- (2024)
A highly efficient diazotization of diazoacetates with para-quinone methides has been established via a tetrabutyl ammonium bromide (TBAB)-catalyzed 1,6-conjugated addition pathway. This methodology affords a convenient, safe, and rapid way to genera
Externí odkaz:
https://doaj.org/article/12d2528a27604437b2b955c53861ad40
Publikováno v:
Molecules, Vol 25, Iss 3, p 539 (2020)
A highly efficient sulfonylation of para-quinone methides with sulfonyl hydrazines in water has been developed on the basis of the mode involving a tetrabutyl ammonium bromide (TBAB)-promoted sulfa-1,6-conjugated addition pathway. This reaction provi
Externí odkaz:
https://doaj.org/article/26370d7bc7564c78a533655675c07958
Publikováno v:
Arabian Journal of Chemistry, Vol 8, Iss 6, Pp 892-896 (2015)
A highly efficient method for the synthesis of α-halocarbonyl compounds has been achieved via selective monobromination of aromatic and aliphatic carbonyl compounds with N-bromosuccinimide catalyzed by p-toluenesulfonic acid under microwave irradiat
Externí odkaz:
https://doaj.org/article/709e94df809243dea93e13d07f328c70
Autor:
Jing Wen Zhang, Dian Dian Dong, Xiao Yu Guan, En Mian Zhang, Yong Mei Chen, Kuan Yang, Yun Xia Zhang, Malik Muhammad Bilal Khan, Yasir Arfat, Yasir Aziz
Publikováno v:
Frontiers in Chemistry, Vol 8 (2020)
Externí odkaz:
https://doaj.org/article/99fb8cc4ca6640aca5739d2b8964793a
Autor:
Jing Wen Zhang, Dian Dian Dong, Xiao Yu Guan, En Mian Zhang, Yong Mei Chen, Kuan Yang, Yun Xia Zhang, Malik Muhammad Bilal Khan, Yasir Arfat, Yasir Aziz
Publikováno v:
Frontiers in Chemistry, Vol 8 (2020)
Tough gel with extreme temperature tolerance is a class of soft materials having potential applications in the specific fields that require excellent integrated properties under subzero temperature. Herein, physically crosslinked Europium (Eu)-algina
Externí odkaz:
https://doaj.org/article/3e8d0c8a3e9a4d2cabc347e4eb04d21b
Autor:
Xiao-Yu Guan, Mei-Zhi Sun, Cheng-Zhou Lin, Wen-Pei Li, Jun-Jie Chen, Qing-Hai Deng, Guo Cheng, Yan-Hui Fan, Jing Cao, De-Xian Bing
Publikováno v:
Organic Chemistry Frontiers. 9:380-385
An efficient and convenient method for the synthesis of amidines bearing a β-naphthalenone moiety catalyzed by cheap iron(ii) chloride is presented by employing oxadiazolones as the nitrene precursors.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bb45e989204d3464895ac063b4b0649
https://doi.org/10.1039/d1qo01687c
https://doi.org/10.1039/d1qo01687c
Publikováno v:
Ekonomska Istraživanja, Vol 0, Iss 0, Pp 1-23 (2021)
Economic research-Ekonomska istraživanja
Volume 35
Issue 1
Economic research-Ekonomska istraživanja
Volume 35
Issue 1
This study evaluates the relevancy of economic globalization, financial development, and clean energy, in strengthening the environmental sustainability of the next 11 economies over a time period pertaining to 1995–2018. In order to achieve the ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7309fd80fb6bd196dd280da90ce39a1d
https://doaj.org/article/9db2f82159ee44c2bc2c67e5024b3d80
https://doaj.org/article/9db2f82159ee44c2bc2c67e5024b3d80
Publikováno v:
Journal of Chromatographic Science. 59:95-102
A novel magnetic solid-phase extraction technique coupled to ultraperformance liquid chromatography has been developed for separation and preconcentration of four sulfonylurea herbicides (sulfosulfuron, bensulfuron-methyl, pyrazosulfuron-ethyl and ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86a31e555c36a6175d9ab756aabef073
https://doi.org/10.1093/chromsci/bmaa077
https://doi.org/10.1093/chromsci/bmaa077
Publikováno v:
Organic Chemistry Frontiers. 7:2449-2455
A novel and practical chloronitration of alkenes in the presence of easily available TMSCl and guanidine nitrate has been developed by using cheap copper sulfate pentahydrate as the catalyst. A variety of vic-chloronitro compounds were directly synth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31fcfb73e9ae50486aa6a18f60cb4d12
https://doi.org/10.1039/d0qo00691b
https://doi.org/10.1039/d0qo00691b
Autor:
Wen-Pei Li, Guo Cheng, Si-Yuan Li, Cheng-Zhou Lin, Xiao-Yu Guan, De-Xian Bing, Jing Cao, Di Zhu, Qing-Hai Deng
Publikováno v:
The Journal of organic chemistry. 87(5)
A practical copper-catalyzed nitration of electron-rich arenes with trimethylsilyl chloride and guanidine nitrate is reported. A variety of nitrated products were generated in moderate to excellent yields (32-99%) at ambient temperature under acid-fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61c132c9820c895e0412e6e02f37ede2
https://pubmed.ncbi.nlm.nih.gov/35168320
https://pubmed.ncbi.nlm.nih.gov/35168320