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国家自然科学基金(21272153)
国家自然科学基金(21272153) 作品数:3 被引量:5 H指数:1 相关作者: 张敏 蒋海芳 张丽 朱宁 陈雅丽 更多>> 相关机构: 上海大学 中国科学院 中国科学院宁波材料技术与工程研究所 更多>> 发文基金: 国家自然科学基金 更多>> 相关领域: 理学 化学工程 更多>>
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 Zhang Shanshan Xu Haifang Jiang Min Zhang Liping 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 Wang Xiaoling Xu Zhangping Kang Wei Shi Min Zhang Liping 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 Yang Min Zhang Yiwen Zhu Li Zhang Qiqiang Xie Liping Song Hongmei Deng关键词:REGIOSELECTIVE