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One-pot tandem reaction to trifluoromethylated- 3,4,5,10-tetrahydro-2H-benzo[ζ]chromene derivatives: ＜正＞Designing new multicomponent reactions（MCRs） as well as improving known MCRs constitute a research area of ...; Yijun Duan,~a Xue Wang,~a Min Zhang,~a Liping Song~(*a,b) a Department of Chemistry,School of Science,Shanghai University, b Key Laboratory of Organofluorine Chemistry,Shanghai Institute of Organic Chemistry,; 文献传递

3,4-二芳基-5-芳氧甲基异噁唑的合成被引量：4: 2017年; 由于异噁唑衍生物具有广泛的除草、杀虫和药物活性,其合成方法近年来一直引起关注.以3-芳基-5-溴甲基异噁唑为原料,经溴代、醚化、Suzuki偶联反应合成了一系列3,4-二取代芳基-5-芳氧甲基异噁唑化合物,初步的生物活性测试结果显示,部分化合物对粘虫显示出一定的杀虫活性.; 蒋海芳张敏张丽陈雅丽朱宁宋力平邓红梅; 关键词：溴代醚化 SUZUKI偶联反应

镁铝复合金属氧化物负载钌纳米颗粒催化HMF选择性氧化制FDCA被引量：1: 2020年; 采用水热-氢气还原法合成了镁铝复合金属氧化物负载Ru纳米颗粒催化剂,利用X射线衍射(X-ray diffraction,XRD)、扫描电镜(scanning electron microscope,SEM)、透射电镜(transmission electron microscope,TEM)、N2物理吸附、CO2-程序升温脱附(CO2-temperature programmed desorption,CO2-TPD)、电感耦合等离子体发射光谱(inductively coupled plasma-optical emission spectroscopy,ICP-OES)等表征手段对催化剂进行结构、形貌和组成分析。结果表明,镁铝物质的量之比n(Mg):n(Al)=5:1的催化剂载体具有最强的碱性(142.81 mmol·g-1)和较大的比表面积(97.0 m2·g-1),有利于负载高分散的Ru纳米颗粒。在最佳反应条件(120℃、2 MPa O2、5 h)下,负载量为2.0%的RO-5催化剂能够高效催化5-羟甲基糠醛(5-hydroxymethylfurfural,HMF)氧化制备2,5-呋喃二甲酸(2,5-furandicarboxylic acid,FDCA),HMF转化率和FDCA产率分别达到100.0%和99.0%。条件优化实验进一步证实,HMF催化氧化的反应路径为生成2,5-呋喃二甲醛(2,5-diformylfuran,DFF)和5-甲酰基-2-呋喃甲酸(5-formyl-2-furancarboxylic acid,FFCA)中间产物的过程。; 王凌晨谌春林张敏; 关键词：羟甲基糠醛

Facile and convenient way to functionalized trifluoromethylated spirocyclic[indole-3,4-pyrano[2,3-c]pyrazole]derivatives: ＜正＞Fluorine-containing compounds have attracted much interest because of their unique chemical, physical and b...; Xiaoqing Liu; 文献传递

Facile construction of trifluoromethylated 1,4-dihydropyrano[2,3-c]pyrazoles: ＜正＞The multi-component reactions（MCRs） is nowadays of great importance in synthetic organic chemistry,by virtu...; Li Zhang; 文献传递

One-pot reaction to the synthesis of trifluoromethylated 8-oxa-2,4-diazaspiro[5.5]undecane derivatives: ＜正＞Multicomponent reactions（MCRs） are powerful tools for delivering the molecular diversity needed in the comb...; Jia Li; 文献传递

Synthesis of 5-(aryloxymethyl)-3,4-diphenylisoxazole derivatives: <正>Nowadays isoxazoles and their derivatives have been recognized as highly useful in pesticide and medicine c...; Li ZhangShanshan XuHaifang JiangMin ZhangLiping Song; 文献传递

Convenient Way to functionalized trifluoromethylated spiro-compounds via One-pot MCRs: Incorporation of the trifuoromethyl group into organic molecules has attracted significant attention because o...; Xu WangXiaoling XuZhangping KangWei ShiMin ZhangLiping Song; 关键词：MCRS; 文献传递

Regioselective Synthesis of 2,6-Dimethyl-3,5-bis[（3-aryl-5- trifluoromethyl）-isoxazol-4-carbonyl]-pyridine Derivatives: 2013年; Ethyl 4,4,4-trifluoro-3-oxo-butyrate reacted with 2,6-dimethyl-3,5-diacetyl-pyridine 1 in the presence of NaOC2H5 at 0 ℃ to give 2,6-dimethyl-3,5-bis（4,4,4-trifluoro-1,3-oxo-butyl）-pyridine （2a） in good yield. Cyclization reaction of 2a and aryl imidoyl chlorides 5a--5i, obtained from chlorination of aryl oximes with N-chlorosuccimide, afforded 2,6-dimethyl-3,5-bis[（3-aryl-5-trifluoromethyl）-isoxazol-4-carbonyl]-pyridine derivatives 6a=6i.; Yindi YangMin ZhangYiwen ZhuLi ZhangQiqiang XieLiping SongHongmei Deng; 关键词：REGIOSELECTIVE

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国家自然科学基金(21272153)