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  • 人物=杨雪艳 x

74 条 记 录,以下是 1-30

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Rhodium(III)- and Iridium(III)-Catalyzed C7 Alkylation of Indolines with Diazo Compounds被引量:151收藏 分享
作者:Ai, Wen Yang, Xueyan Wu, Yunxiang Wang, Xuan Li, Yuanchao Yang, Yaxi Zhou, Bing
机构:Chinese Acad Sci;E China Univ Sci & Technol;E China Univ Sci & Technol
来源:CHEMISTRY-A EUROPEAN JOURNAL  2014
关键词:alkylation   C-H activation   indolines   iridium   rhodium  
Highly Enantioselective Construction of 3-Hydroxy Oxindoles through a Decarboxylative Aldol Addition of Trifluoromethyl -Fluorinated gem-Diols to N-Benzyl Isatins被引量:96收藏 分享
作者:Saidalimu, Ibrayim Fang, Xiang He, Xiao-Peng Liang, Jing Yang, Xueyan Wu, Fanhong
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Shanghai Inst Technol
来源:ANGEWANDTE CHEMIE-INTERNATIONAL EDITION  2013
关键词:aldol reaction   carboncarbon bond cleavage   organocatalysis   reaction mechanisms   trifluoroacetate release  
AIBN-initiated radical addition of gem-difluorinated alkyl iodides to alkynes and the Pd-catalyzed Sonogashira coupling reaction of E-phenyl difluoromethylene vinylic iodides with terminal alkynes被引量:54收藏 分享
作者:Fang, Xiang Yang, Xueyan Yang, Xianjin Mao, Shenjie Wang, Zhonghua Chen, Guorong Wu, Fanhong
机构:E China Univ Sci & Technol;Chinese Acad Sci
来源:TETRAHEDRON  2007
关键词:alkynes   radical addition   difluoromethylene vinylic iodides   sonogashira coupling  
Rh(III)- or Ir(III)-catalyzed ynone synthesis from aldehydes via chelation-assisted C-H bond activation被引量:41收藏 分享
作者:Ai, Wen Wu, Yunxiang Tang, Huanyu Yang, Xueyan Yang, Yaxi Li, Yuanchao Zhou, Bing
机构:E China Univ Sci & Technol;Chinese Acad Sci
来源:CHEMICAL COMMUNICATIONS  2015
One-pot synthesis of α-fluoro-β-amino acid and indole spiro-derivatives via C-N bond cleavage/formation被引量:40收藏 分享
作者:Tang, Chen-Yu Wang, Ge Yang, Xue-Yan Wu, Xin-Yan Sha, Feng
机构:E China Univ Sci & Technol; E China Univ Sci & Technol
来源:TETRAHEDRON LETTERS  2014
关键词:Arynes   Aziridines   Fluorination   beta-Amino acids   Indole spiro-derivatives  
Organocatalytic Asymmetric Michael Addition/Carbon-Carbon Bond Cleavage of Trifluoromethyl α-Fluorinated gem-Diols to Nitroolefins被引量:39收藏 分享
作者:Saidalimu, Ibrayim Fang, Xiang Lv, Wenwen Yang, Xueyan He, Xiaopeng Zhang, Jingyuan Wu, Fanhong
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Shanghai Inst Technol
来源:ADVANCED SYNTHESIS & CATALYSIS  2013
关键词:asymmetric Michael addition   carbon-carbon bond cleavage   thiourea catalysts   trifluoroacetate release   trifluoromethyl -fluorinated gem-diols  
Comparative studies on the enantioselective fluorination of oxindoles with structurally modified N-fluorobenzenesulfonimides被引量:33收藏 分享
作者:Zhang, Yan Yang, Xian-Jin Xie, Tian Chen, Guan-Long Zhu, Wen-Hua Zhang, Xiao-Qi Yang, Xue-Yan Wu, Xin-Yan He, Xiao-Peng He, Hao-Ming
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci;Wengfu Grp Co Ltd
来源:TETRAHEDRON  2013
关键词:N-Fluorobenzenesulfonimides   Enantioselectivity   Fluorination   Oxindole  
Gold(I) or Gold(III) as Real Intermediate Species in Gold-Catalyzed Cycloaddition Reactions of Enynal/Enynone?被引量:30收藏 分享
作者:Zhang, Caiyun Wang, Gendi Zhan, Licheng Yang, Xueyan Wang, Jiwei Wei, Yin Xu, Sheng Shi, Min Zhang, Jun
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Chinese Acad Sci
来源:ACS CATALYSIS  2020
关键词:gold(I) catalysis   gold(III) catalysis   cycloaddition   enynal/enynone   reaction intermediates  
Regio- and diastereoselective construction of 1′,2′-(dihydrospiro[indoline-3,3′-pyrrol]-2′-yl)acrylates through phosphine-catalyzed [4+1] annulation of Morita-Baylis-Hillman carbonates with oxindole-derived α, β-unsaturated imines被引量:25收藏 分享
作者:Lei, Yu Zhang, Xiao-Nan Yang, Xue-Yan Xu, Qin Shi, Min
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci
来源:RSC ADVANCES  2015
关键词:Phosphorus compounds - Amides - Stereoselectivity - Rate constants - Catalysis - Salts  
New preparation of difluoroiodomethylsulfanylbenzenes and their radical addition to unsaturated compounds initiated by sodium dithionite被引量:19收藏 分享
作者:Yang, Xueyan Fang, Xiang Yang, Xianjin Zhao, Min Han, Yizheng Shen, Yongjia Wu, Fanhong
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci
来源:TETRAHEDRON  2008
关键词:difluoroiodomethylsulfanylbenzene   difluoromethylene   gamma-butyrolactone   addition   tetrahydrofuran derivatives  
Synthesis of difluoromethylene-containing 1,2,4-oxadiazole compounds via the reaction of 5-(Difluoroiodomethyl)-3-phenyl-1,2,4-oxadiazole with unsaturated compounds initiated by sodium dithionite被引量:18收藏 分享
作者:Yang, Xueyan Wang, Zhonghua Fang, Xiang Yang, Xianjin Wu, Fanhong Shen, Yongjia
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci
来源:SYNTHESIS-STUTTGART  2007
关键词:difluoromethylene   1,2,4-oxadiazole   gamma-butyrolactone   addition   cyclization  
The Regio-specific solvent controlled asymmetric Strecker reaction of trifluoromethyl α,β-unsaturated N-tert-butanesulfinyl ketimines with trimethylsilyl cyanide被引量:17收藏 分享
作者:Yuan, Xiao-Ming Xu, Jian Liu, Zhen-Jiang Yang, Xian-Jin Wang, Li-Min Zhang, Yan Yang, Xue-Yan He, Xiao-Peng Liu, Jin-Tao
机构:Shanghai Inst Technol;E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci
来源:JOURNAL OF FLUORINE CHEMISTRY  2012
关键词:Solvent controlled   Asymmetric Strecker reaction   (Rs)-trifluoromethyl alpha,beta-Unsaturated N-tert-butanesulfinyl ketimine   Trimethylsilyl cyanide  
The investigation of fluorination reaction of p-substituted benzenesulfonimides with fluorine-nitrogen mixed gas to synthesize NFSI analogues被引量:15收藏 分享
作者:Chen, Guanlong Chen, Fuli Zhang, Yan Yang, Xueyan Yuan, Xiaoming Wu, Fanhong Yang, Xianjin
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci;Wengfu Grp Co Ltd
来源:JOURNAL OF FLUORINE CHEMISTRY  2012
关键词:Benzenesulfonimide   Fluorination   NFSI analogue  
Axially Chiral Copper Catalyst for Asymmetric Synthesis of Valuable Diversely Substituted BINOLs被引量:14收藏 分享
作者:Gao, Jun Wang, Pengyang Shen, Ahui Yang, Xueyan Cen, Shouyi Zhang, Zhipeng
机构:East China Univ Sci & Technol;East China Univ Sci & Technol
来源:ACS CATALYSIS  2024
关键词:enantioselective   copper   BINOL   oxidativecoupling   axial chirality   2-naphthols  
Fluoroalkylation of pent-4-en-1-ols initiated by sodium dithionite to synthesize fluorine-containing tetrahydrofuran derivatives被引量:13收藏 分享
作者:Yang, Xueyan Wang, Zhonghua Zhu, Yaoping Fang, Xiang Yang, Xianjin Wu, Fanhong Shen, Yongjia
机构:E China Univ Sci & Technol;Chinese Acad Sci
来源:JOURNAL OF FLUORINE CHEMISTRY  2007
关键词:addition   cyclization   fluorine-containing   tetrahydrofuran  
Synthesis of fluoroalkyl-δ-lactones from polyfluoroalkyl iodides and 5-hexenoic acids被引量:11收藏 分享
作者:Fang, Xiang Ying, Qi Chen, Yang Yang, Xueyan Yang, Xianjin Wu, Fanhong
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci
来源:JOURNAL OF FLUORINE CHEMISTRY  2008
关键词:5-hexenoic acids   polyfluoroalkyl iodide   delta-valerolactone   sodium dithionite   polyfluoroalkyl-lactonization  
A new and direct route to 3-fluoromethyl substituted pyrazol-4-acrylates via Pd-catalyzed C-H activation被引量:10收藏 分享
作者:Wang, Xiaoguang Fang, Xiang Xiao, Hongyuan Gong, Dongming Yang, Xueyan Wu, Fanhong
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Shanghai Inst Technol
来源:TETRAHEDRON  2013
关键词:3-Fluoromethyl pyrazoles   Pd-catalyzed C4-H activation   Benzoquinone   Concerted metalation-deprotonation (CMD)  
Experimental and theoretical studies on rhodium-catalyzed direct C-H benzoxylation reaction被引量:10收藏 分享
作者:Jin, Chen Wang, Guimin Yang, Xueyan Zhu, Weiliang Yang, Yaxi
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Chinese Acad Sci;Chinese Acad Sci;Univ Chinese Acad Sci
来源:TETRAHEDRON LETTERS  2018
关键词:Rh(III)-catalyzed   C-H benzoxylation   DFT calculations  
Facile synthesis of 2-fluoroindenones via a Knoevenagel condensation/palladium-catalyzed annulation被引量:9收藏 分享
作者:Su, Yue Fang, Xiang Zhou, Jun Bian, Yizhen Yang, Xueyan Wu, Fanhong
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Technol
来源:JOURNAL OF FLUORINE CHEMISTRY  2018
关键词:2-Fluoroindenones   Domino reaction   Knoevenagel condensation   Intramolecular heck cyclization  
Microwave-assisted expeditious synthesis of 5-fluoroalkyl-3-(aryl/alkyl)-oxazolidin-2-ones被引量:9收藏 分享
作者:Yang, Bo Shi, Luyan Wu, JingJing Fang, Xiang Yang, Xueyan Wu, Fanhong
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Shanghai Inst Technol
来源:TETRAHEDRON  2013
关键词:2-Oxazolidin-2-ones   Free radical addition   One-pot reaction   Microwave irradiation   Fluoroalkyl iodide  
Synthesis of bromodifluoromethyl substituted pyrazoles and isoxazoles被引量:8收藏 分享
作者:Yang, Xueyan Shui, Shengxia Chen, Xi He, Hai'ou Wu, Fanhong
机构:Shanghai Inst Technol;E China Univ Sci & Technol;E China Univ Sci & Technol;Nankai Univ
来源:JOURNAL OF FLUORINE CHEMISTRY  2010
关键词:Bromodifluoromethyl   Pyrazoles   Isoxazoles   Regioselectivity   Synthesis  
Highly stereoselective monofluoroolefination: Facile access to (E)-α-fluorinated arylvinyl sulfones from trifluoromethyl α-fluorinated arylsulfonyl gem-diols被引量:7收藏 分享
作者:Fang, Xiang Zhou, Jun Wang, Wang Yang, Xueyan Wu, Fanhong
机构:East China Univ Sci & Technol;Shanghai Inst Technol
来源:TETRAHEDRON LETTERS  2020
关键词:Monofluoroolefination   Stereoselective   Trifluoromethyl alpha-fluorinated arylsulfonyl gem-diols   alpha-Fluorinated arylvinyl sulfones  
I2/TBHP-Promoted Approach to α-Keto Esters from Trifluoromethyl β-Diketones and Alcohols via C-C Bond Cleavage被引量:7收藏 分享
作者:Shao, Tongle Fang, Xiang Zhou, Jun Jin, Chen Yang, Xueyan Wu, Fanhong
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Technol
来源:SYNLETT  2017
关键词:trifluoromethyl beta-diketones   alpha-keto esters   C-C bond cleavage   C-O coupling   alcohols  
Studies on the superhydrophobic properties of polypropylene/polydimethylsiloxane/graphite fluoride composites被引量:6收藏 分享
作者:He, Hao-Ming Gao, Lei Yang, Xian-Jin Guo, Wei-Hong Li, Hui Xie, Tian Yang, San-Ke Wang, Jiang-Ping Zhang, Yan Yang, Xue-Yan
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Chinese Acad Sci;Wengfu Grp Co Ltd
来源:JOURNAL OF FLUORINE CHEMISTRY  2013
关键词:Polypropylene   Polydimethylsiloxane   Graphite fluoride   Composite   Sandpapering   Superhydrophobicity  
Construction of N-Boc monofluoromethyl aryl sulfones via Mannich reaction of α-amido sulfones with trifluoromethyl α-fluorinated arylsulfonyl gem-diols被引量:6收藏 分享
作者:Wang, Wang Fang, Xiang Yang, Xueyan Wu, Fanhong
机构:East China Univ Sci & Technol;Shanghai Inst Technol
来源:JOURNAL OF FLUORINE CHEMISTRY  2020
关键词:Mannich reaction   Nucleophilic monofluoromethylation   Trifluoromethyl alpha-fluorinated arylsulfonyl gem-diols   Detrifluoroacetylation  
One-Pot Synthesis of α-Fluoroketones and 3-Fluoro-2,4-diarylfurans from Trifluoromethyl β-Diketones via Decarboxylation被引量:6收藏 分享
作者:Shao, Tongle Fang, Xiang Yang, Xueyan
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Univ Toronto
来源:SYNLETT  2015
关键词:fluorine   alpha-fluoroketones   3-fluorofurans   one-pot   decarboxylation  
Synthesis of 1,3,5-Trisubstituted [4-tert-Butyl 2-(5,5-difluoro-2,2-dimethyl-6-vinyl-1,3-dioxan-4-yl)acetate]pyrazoles via a Pd-Catalyzed C-H Activation被引量:6收藏 分享
作者:Wang Xiaoguang Fang Xiang Yang Xueyan Ni Meng Wu Fanhong
机构:E China Univ Sci & Technol;E China Univ Sci & Technol;Shanghai Inst Technol
来源:CHINESE JOURNAL OF CHEMISTRY  2012
关键词:C?H activation   Pd-catalyzed   pyrazole   HMG-CoA reductase inhibitor  
抗组胺药非索非那定盐酸盐的合成被引量:6收藏 分享
作者:吕彬华 杨雪艳 吴范宏
机构:华东理工大学化学与制药学院
来源:《中国药物化学杂志》  2004
关键词:药物化学  工艺改进  化学合成  非索非那定盐酸盐  2-甲基-2-苯基丙酸  
摘要:目的研究抗组胺药非索非那定盐酸盐 (fexofenadinehydrochloride)的合成。 方法以 2 甲基 2 苯基丙酸为起始原料 ,通过氯化、胺化、傅 克酰基化、缩合、还原、水解及成盐 7步反应 ,合成得...
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Palladium-catalyzed direct mono-α-arylation of α-fluoroketones with aryl halides or phenyl triflate被引量:6收藏 分享
作者:Zhou, Jun Fang, Xiang Shao, Tongle Yang, Xueyan Wu, Fanhong
机构:East China Univ Sci & Technol;East China Univ Sci & Technol;Shanghai Inst Technol
来源:JOURNAL OF FLUORINE CHEMISTRY  2016
关键词:Palladium-catalyzed reaction   Mono-alpha-arylation   alpha-Aryl-alpha-fluoroketones  
盐酸度洛西汀的合成工艺改进研究被引量:5收藏 分享
作者:朱占群 杨雪艳 张俊 杨先金 吴范宏
机构:华东理工大学化学与分子工程学院
来源:《中国新药杂志》  2009
关键词:盐酸度洛西汀  抗抑郁药  合成  
摘要:目的:对盐酸度洛西汀的合成工艺进行改进。方法:以2-乙酰噻吩为原料,经Mannich反应、还原、醚化、化学拆分、脱甲基、水解、氯化铵成盐等七步反应合成了目标产物,考察了每步反应的影响因素。结果:所得盐酸度洛西汀(1),H...
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