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ALKYL: 作品数：393被引量：354H指数：7; 导出分析报告; 相关领域：理学更多>>; 相关作者：王孝伟毕思玮张志丽刘俊义徐立进更多>>; 相关机构：中国人民大学中国科学院大学中国科学院北京大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划广东省自然科学基金更多>>

一石二鸟:镍催化烯烃不对称氢烷基化构建相邻sp^(3)碳立体中心: 《Science Bulletin》2023年第5期462-464,共3页廖港史炳锋; supported by the National Natural Science Foundation of China(21925109 and U22A20388).; The construction of chiral C(sp^(3))-rich molecules is of great interest in natural products synthesis and drug discovery.To fulfill the requirement of chiral C(sp^(3))-rich molecules,various approaches have been deve...; 关键词：COUPLING ALKYL CHIRAL

Ionic iron(III) complex of aryloxo-linked bis(imidazolium)cations: efficient and recyclable catalyst for aryl Grignard cross-coupling of alkyl chlorides: 《Chinese Science Bulletin》2014年第34期4728-4734,共7页Qingling Zhang Zhuang Li Hongmei Sun Qi Shen; supported by the National NaturalScience Foundation of China(21172164);the Key Laboratory of Organic Chemistry of Jiangsu Province,the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);the Project of Scientific and Technologic Infrastructure of Suzhou(SZS201207); A novel phenol-linked bis(imidazolium) salt,H3LCl2(L = O-4-C(CH3)3-C6H2-2,6-di[CH2{C(NCHCHNAr)}]2, Ar = 2,6-diisopropylphenyl, 1), was designed and used to prepare an ionic iron(III) complex [H2L][Fe Cl4](2).Complex 2...; 关键词：高效催化剂交叉偶联铁(Ⅲ) 阳离子烷基氯咪唑基格络合物

Tunable water-based lubrication behavior of alkyl-and fluoroalkyl-silanes: 《Chinese Science Bulletin》2012年第15期1879-1885,共7页LIU YuHong LIU PengXiao XIAO YuQi; the National Natural Science Foundation of China(50805086,50730007);the Foundation for Innovative Research Groups of the National Natural Science Foundation of China (51021064); In this paper,we report the tribological properties of self-assembled molecular(SAM) films of fluoroalkylsilanes and non-fluoroalkylsilanes,with different chain-lengths,adsorbed on Si substrate surfaces by covalent bo...; 关键词：润滑行为氟烷基硅烷 X-射线光电子能谱衬底表面氟代水基可调

Measurement of the free concentrations of alkyl phenols and bisphenol A to determine their biodegradation kinetics by activated sludge被引量：1: 《Chinese Science Bulletin》2007年第20期2766-2770,共5页SHEN Gang HUANG Jun YU Gang; Supported by the National Natural Science Foundation of China (Grant Nos. 50625823 and 50538090); A negligible depletion-solid phase microextraction (nd-SPME) method is developed to measure free concentrations of two alkyl phenols (4-t-octylphenol, nonylphenol) and bisphenol A in activated sludge, with which aerob...; 关键词：烷基酚 2 2-双对羟苯基丙烷生物降解化学分析

Electrochemical behavior of aluminum foil in 1-alkyl-3-methylimidazolium tetrafluoroborate ionic liquids electrolytes: 《Chinese Science Bulletin》2006年第23期2824-2830,共7页PENG Chengxin YANG Li WANG Baofeng ZHANG Zhengxi LI Nan; Aluminum (Al) foil is widely used as a current collector in lithium ion batteries, EDLCs and other electrochemical devices, and its electrochemical behavior in electrolytes has great effect on the cycle performances a...; 关键词：锂电池电容器电流集电极离子液体电解质

Identification and significance of 3β-alkyl steranes in the Eogene lacustrine sediments and petroleum of China被引量：1: 《Chinese Science Bulletin》2006年第13期1628-1632,共5页WANG Guangli ZHANG Linye WANG Tieguan; Several homologous series of steranes with alkyl side chains (C1 to C4) at the 3β position have been identified in the Jiyang Eogene lacustrine deposition. It is postulated that its precursors repre sent a new class ...; 关键词：3-烃基甾烷湖沉积 GC-MS-MS 早第三纪

Effect of alkyl substitutions on self-assembly被引量：1: 《Chinese Science Bulletin》2002年第18期1514-1517,共4页Peng Wu Guojun Deng Sailong Xu Qinghua Fan Lijun Wan Chen Wang Chunli Bai; This work was supported by the National Natural Science Foundation of China (Grant No. G2000077501) ;the Foundation of the Chinese Academy of Sciences.; The self-assemblies of 4-hexadecyloxybenzoic acid and 3,4,5-trihexadecyloxybenzoic acid have been studied by using scanning tunneling microscopy (STM). The well-ordered assemblies with different arrangement have been ...; 关键词：scanning TUNNELING MICROSCOPY (STM) SELF-ASSEMBLY ALKYL substitutions.

Synthesis of a-carbethoxy substituted chiral alkyl nitronic esters被引量：1: 《Chinese Science Bulletin》1996年第21期1847-1848,共2页康富安尹承烈佘世望; Project supported by the National Natural Science Foundation of China.; Of organic compounds,nitronic esters are a group of unusual compounds.Accordingto their chemical formula（R₁R₂C=NO₂R₃）,they might be formally obtained fromcondensation of a...; 关键词：this Synthesis of a-carbethoxy substituted chiral alkyl nitronic esters

Study on the Photoreaction Between Alkyl Amine and Selenium Dispersion in Heptane被引量：1: 《Chinese Science Bulletin》1994年第9期744-747,共4页陈次平 R.P.Veregin J.R.Harbour M.L.Hair; 1 Introduction There has been a considerable amount of researches on the photoinduced chargeexchange of photoactive pigments dispersed in water. However, very littleattention has been paid to those dispersed in solven...; 关键词：charge transfer spin TRAPPING SELENIUM amine.

STUDY ON COENZYME B_(12) MODEL COMPOUNDS——CHARACTERIZATION OF GAS PHASE PRODUCTS IN THERMOLYSIS OF SCHIFF BASE ALKYLCOBALT COMPLEXES BY GAS CHROMATOGRAPHY: 《Chinese Science Bulletin》1992年第12期1053-1054,共2页陈冠菁陈慧兰张文彬唐雯霞; Two series of Schiff base alkylcobalt complexes: alkylcobaltbis （salicylaldehyde） ethylendiimine RCo （Salen） L and a kind of new Coenzyme B₁₂ model compounds alkylcobaltbis （salicylaldehyde）-2, 3-dime...; 关键词：Salen ETHANE ALKYL Schiff complexes tempera isomers STERIC equatorial PONDING

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