Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Yunyang Wei"'
Publikováno v:
In Journal of Molecular Catalysis. A, Chemical 2008 291(1):1-4
Publikováno v:
Synlett. 27:2378-2383
A simple combination system of p -toluenesulfonic acid/acetic acid has been developed for efficient hydration of alkynes. The corresponding ketones can be obtained in good to excellent yields under mild conditions. The mechanism of the reaction was d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dd1a2d6f5679f29205c5e3456eb217d
https://doi.org/10.1055/s-0035-1562779
https://doi.org/10.1055/s-0035-1562779
Publikováno v:
New Journal of Chemistry. 40:674-678
A one-pot process for the catalytic cyclopropanation of various alkenes with unsubstituted hydrazones is described. Iodosobenzene (PhIO) was found to be a competent oxidant of hydrazones to diazo compounds. Ni(OH)2 was chosen as an effective and chea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3efefd24039defae87f2ee95a8b742bc
https://doi.org/10.1039/c5nj02378e
https://doi.org/10.1039/c5nj02378e
Publikováno v:
Chinese Journal of Chemistry. 33:479-485
An intermolecular two CC bond formation procedure for the synthesis of carbocycles mediated by hypervalent iodine(III) reagents was developed. This metal free protocol provided a new approach for the synthesis of useful substituted 1-amino-2-naphthoi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63a200495a098bf2bfbddff82cd99614
https://doi.org/10.1002/cjoc.201400802
https://doi.org/10.1002/cjoc.201400802
Publikováno v:
European Journal of Organic Chemistry. 2014:7707-7715
An efficient intramolecular cycloaddition strategy for the synthesis of trifluoromethyl-substituted 3H-pyrazoles was developed. Subsequently, their wide applications were demonstrated: they (1) react with dioxane by a radical process and (2) undergo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3232cf827c9959b0b8692e4be3b4619
https://doi.org/10.1002/ejoc.201403141
https://doi.org/10.1002/ejoc.201403141
Autor:
Chunquan Sheng, Shengzheng Wang, Yang Liu, Guoqiang Dong, Wannian Zhang, Yunyang Wei, Yuelin Wu, Zhenyuan Miao, Xiao Min, Shiping Zhu, Shanchao Wu, Jin Li, Chunlin Zhuang, Jiangzhong Yao, Huojun Zhang, Zhiliang Yu
Publikováno v:
European Journal of Medicinal Chemistry. 82:545-551
In an effort to expand the structure-activity relationship of the natural anticancer compound piperlongumine, we have prepared sixteen novel piperlongumine derivatives with halogen or morpholine substituents at C2 and alkyl substituents at C7. Most o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3921336f0b29ab5b24cc45b5d37e8140
https://doi.org/10.1016/j.ejmech.2014.05.070
https://doi.org/10.1016/j.ejmech.2014.05.070
Autor:
Qiang Sha, Yunyang Wei
Publikováno v:
Synthesis. 46:2353-2361
A one-pot procedure for the synthesis of trisubstituted alkenes from N-tosylhydrazones and alcohols is reported. This procedure combines the aerobic oxidation reaction and Wittig reaction in one pot, which avoids using of environmentally toxic oxidan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8731de729e2ec8e7cd7fae67673eb742
https://doi.org/10.1055/s-0034-1378231
https://doi.org/10.1055/s-0034-1378231
Autor:
Zhenyuan Miao, Wannian Zhang, Chunquan Sheng, Jianzhong Yao, Yunyang Wei, Yuelin Wu, Ruofu Shi, Lingjian Zhu
Publikováno v:
Journal of Fluorine Chemistry. 157:48-51
It is an important strategy for fluorine substitution in drug design because of its small size and high electronegativity. Fluorinated 10-hydroxycamptothecin and SN 38 were prepared and screened for antiproliferative activities. Among them, fluorinat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cefc421e00fa494781b62d6646e14379
https://doi.org/10.1016/j.jfluchem.2013.10.016
https://doi.org/10.1016/j.jfluchem.2013.10.016
Autor:
Peng Gao, Yunyang Wei
Publikováno v:
Synthesis. 46:343-347
A series of dibenzopyranones were synthesized from 2-arylbenzoic acids by a radical oxidative cyclization procedure mediated by N-iodosuccinimide (NIS). The methodology is distinguished by its practicality in terms of its wide substrate scope, good f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b7166833744f439ddc12388cf1f5cb0
https://doi.org/10.1055/s-0033-1338568
https://doi.org/10.1055/s-0033-1338568
Autor:
Yunyang Wei, Qiang Sha
Publikováno v:
ChemCatChem. 6:131-134
Cuprous iodide-catalyzed Wittig olefination reactions of N-tosylhydrazones with trifluoromethylketones are reported. This procedure provides an efficient method for the synthesis of various trifluoromethyl-substituted alkenes in moderate to good yiel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cb28212371dd69c16908efb3ac8e3ec
https://doi.org/10.1002/cctc.201300583
https://doi.org/10.1002/cctc.201300583