云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(20421202)

国家自然科学基金(20421202): 作品数：17被引量：24H指数：3; 导出分析报告; 相关作者：朱义州郑健禺郭东升李喆刘育更多>>; 相关机构：南开大学内蒙古工业大学更多>>; 相关期刊：《Chemical Research in Chinese Universities》《Science Bulletin》《Science China Chemistry》《精细化工中间体》更多>>; 相关主题：CARBONYLAQUEOUSGEDCO传感更多>>; 相关领域：理学农业科学自然科学总论化学工程更多>>

Chiral pyrrolidine-azole conjugates: Simple and efficient asymmetric organocatalysts for Michael addition to nitrostyrenes被引量：1: 《Chinese Science Bulletin》2010年第17期1735-1741,共7页ZHANG Long XU Hui MI XueLing LUO SanZhong CHENG Jin-Pei; supported by the National Natural Science Foundation of China (20421202, 20632060 and 20702052);the Ministry of Science and Technology of China (2008CB617501 and 2009ZX09501-018) and the Chinese Academy of Sciences.; Simple pyrrolidine-azole conjugates have been synthesized and found to be efficient catalysts for asymmetric Michael addition to nitrostyrenes. The identified optimal catalysts, pyrrolidine-azoles 2, 8 and 13, could c...; 关键词：不对称MICHAEL加成有机催化剂吡咯烷迈克尔复合物三氮唑手性高效催化剂

Synthesis and Crystal Structure of Novel Sn-O Clusters Generated from ~nBu_2SnO and Esters被引量：1: 《Chinese Journal of Structural Chemistry》2010年第9期1373-1379,共7页雷斌贾永光柳凌艳常卫星李靖; supported by the National Natural Science Foundation of China (20421202,20372033); A facile and credible strategy was demonstrated to synthesize two new Sn-O clusters 1 and 2 by the reactions of nBu2SnO with esters directly under mild conditions.Cluster 1 crystallizes in the triclinic system,space g...; 关键词：dibutyltin oxide Sn-O cluster X-ray diffraction

Insight into herbicide resistance of W574L mutant Arabidopsis thaliana acetohydroxyacid synthase:molecular dynamics simulations and binding free energy calculations被引量：5: 《Science China Chemistry》2010年第1期91-102,共12页YU ZhiHong,WEN Xin & XI Zhen State Key Laboratory of Elemento-Organic Chemistry Department of Chemical Biology,Nankai University,Tianjin 300071,China; supported by the National Natural Science Foundation of China (Grant Nos.20432010, 20421202, and 90713011);the National Key Project for Basic Research (Grant Nos.2008DFA30770 and 2010CB126102);Key Project of Ministry of Education,China (Grant No.104189) and Institute of Scientific Computing (ISC) of Nankai University; Acetohydroxyacid synthase(AHAS) is the target enzyme of several classes of herbicides,such as sulfonylureas and imidazolinones.Now many mutant AHASs with herbicide resistance have emerged along with extensive use of h...; 关键词：SULFONYLUREA herbicides acetohydroxyacid synthase W574L mutant herbicide resistance molecular dynamics simulations binding free energy calculation MM-GBSA

Bifunctional catalysis of Morita-Baylis-Hillman (MBH) reaction with chiral primary-tertiary diamine: A non-typical MBH catalytic pathway: 《Science China Chemistry》2009年第9期1300-1308,共9页ZHANG Long LUO SanZhong CHEN LiuJuan LI JiuYuan CHENG JinPei; Supported by the National Natural Science Foundation of China (Grant Nos. 20421202, 20632060 and 20702052);Ministry of Science and Technology of China (Grant No. 2008CB617501 & 2009ZX09501-018), and the Chinese Academy of Sciences; A simple primary-tertiary diamine has been explored as a novel catalyst for the Morita-Baylis-Hillman reaction of MVK and aryl aldehydes, and moderate to good chemical yields were obtained. Detailed mechanism study in...; 关键词：Morita-Baylis-Hillman REACTION primary amine ENAMINE IMINIUM ORGANOCATALYST

The new synthesis of sesquiterpenoids 10-bromo-α-chamigrene: 《Chinese Chemical Letters》2009年第5期554-556,共3页Qing Cui Lin Kang Hai Shen Yang Xiao Hua Xu; the National Natural Science Foundation of China(No.20421202)for financial support.; The new synthesis of 10-bromo-α-chamigrene was achieved as follows; 6-methyl-5-heptene-2-one was transformed into corresponding thioacetals, and then successively treated with Cp2Ti（P（OEt）3）2. The intermediate re...; 关键词：10-Bromo-α-chamigrene Halogenated sesquiterpenoids Carbonyl coupling Synthesis

One-dimensional Inclusion Polymers of Calix[4]arene Monomethoxycarboxylic Acid被引量：1: 《Chinese Journal of Structural Chemistry》2009年第3期338-342,共5页谢朝阳朱义州宋海斌郑健禺; supported by the 973 program (2006CB932900);NNSFC (Nos. 20572048 and 20421202);NSF of Tianjin (07QTPTJC29700); X-ray crystal structures of the inclusion complexes of calix[4]arene monomethoxycarboxylic acid 1 （C30H2606） with acetontrile and acetone are reported. The crystal of C30H26O6·CH3CN is of monoclinic, space group P2...; 关键词：crystal structure arene monomethoxycarboxylic acid inclusion polymers

双吲哚基修饰杯[4]芳烃对Hg^2＋的比色传感行为被引量：6: 《高等学校化学学报》2008年第12期2545-2548,共4页李喆郭东升李红霞刘育; 国家自然科学基金(批准号:20421202,20673061,20703025)资助; 合成了上缘含双吲哚基团的杯[4]芳烃衍生物5,17-双吲哚甲基-25,27-二丙氧基-26,28-二羟基杯[4]芳烃(2),通过UV-Vis光谱研究了它对各种金属离子的化学传感行为.结果表明,主体2对Hg2+具有良好的选择性,向主体2的溶液中加入Hg2+离子,其吸...; 关键词：杯芳烃 HG^2+ 化学传感双吲哚

Syntheses and Structures of Binaphthyl-bridged Schiff Bases: 《Chemical Research in Chinese Universities》2008年第5期561-564,共4页WANG Bin LI Min-xiong XU Shan-sheng SONG Hai-bin WANG Bai-quan; the National Natural Science Foundation of China(Nos.20574036, 20672058 and 20421202);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20050055008);the Program for New Century Ex-cellent Talents in University(No.04-0229).; The reaction of dinaphthofuran with lithium in anhydrous diethyl ether led to a solution of the corresponding C,O-dilithiated intermediate which, upon treatment with DMF at ？78 oC, afforded, after hydrolysis, 2＇-hyd...; 关键词：Schiff base Binaphthyl compound Reductive ring opening

三氟乙酸和三氟化硼乙醚在硫杂卟啉合成中的应用被引量：1: 《高等学校化学学报》2008年第9期1760-1764,共5页朱岩朱义州张经明郑健禺; 国家“九七三”计划(批准号:2006CB932900);国家自然科学基金(批准号:20572048,20421202);天津市科技计划项目基金(批准号:07QTPTJC29700);南开大学亚洲研究中心项目基金(批准号:AS0528)资助; 利用三氟乙酸和三氟化硼乙醚在醇羟基与吡咯反应中的催化活性差异,使非对称取代噻吩双醇中的羟基选择性地与吡咯反应,得到单吡咯或双吡咯中间体.这些中间体经进一步的环化反应,得到一系列21,23-二硫杂卟啉衍生物,并通过核磁共振氢谱、...; 关键词：硫杂卟啉三氟乙酸三氟化硼乙醚催化

剪刀型双卟啉锌配合物在Cu^＋离子和DABCO双客体调控下的荧光开关效应被引量：3: 《高等学校化学学报》2008年第6期1153-1158,共6页周再春朱义州郑健禺; 国家“九七三”计划(批准号:2006CB932900);国家自然科学基金(批准号:20572048,20421202)资助; 设计了一个含有双包合功能的剪刀型双卟啉锌化合物1(1,8-二{4-[N-(N,N-锌-5,10,15,20-四苯基卟啉-4′-取代)-氨基羰基]苄氧基}蒽醌).通过荧光、紫外-可见光谱和核磁共振谱滴定实验证实,化合物1能分别与金属离子和含氮双齿客体作用,Cu+...; 关键词：锌双卟啉分子开关荧光猝灭光诱导电子转移

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