Alkenes相关论文
Herein,we disclosed a photoredox enabled protocol for trifluoromethylacylation of styrenes through a radical-carboanion ......
A novel and viable palladium-catalyzed sequential cyclization/functionalization of alkynone O-methyloximes with unactiva......
A highly enantioselective palladium-catalyzed intermolecular tandem Heck/Cacchi reaction of unactivated alkenes with ort......
Based on the redox reactions of Togni-Ⅱ reagent and thiols,a thiol-tuned selective functionalization of unactivated ole......
In this article,we report a base-promoted sequential cyclization/aldol-type condensation/isomerization cascade reaction ......
Highly mimicking the chemical composition and physical characteristics of fossil fuels,bio-hydrocarbons are emerging as ......
...
Divergent Synthesis of Silicon-Containing Alkanes by Iron-Catalyzed Intermolecular 1,2-Difunctionali
Transformations of alkenes with silanes have been emerged as a powerful tool to assemble silicon-containing molecules in......
Main observation and conclusionrnOxidative dehydrogenation of ethylbenzene is considered as an alternative route to styr......
Selenium-containing structures can be found in a diverse range of drug candidates,biologically active compounds,and ......
Compounds containing a ketosulfone moiety are of value because of their interesting biological properties and applic......
...
Highly Stereoselective Positional Isomerization of Styrenes via Acid-Catalyzed Carbocation Mechanism
The first transition metal-free highly stereoselective positional isomerization of various a-alkyl styrenes through a ca......
实现无金属条件下,醚参与的非活化烯烃烷杂芳基化反应。以过氧化苯甲酸特丁酯(TBPB)为自由基引发剂,通过自由基烯烃双官能团化反应......
Shi epoxidation provides an extremely powerful tool to access optically active epoxides,which undoubtedly belongs to one......
B(C6F5)3-Catalyzed Hydroboration of Alkenes with N-Heterocyclic Carbene Boranes via B—H Bond Activat
In this work,a novel mode for the activation of N-heterocyclic carbene boranes (NHC-boranes) was developed by generating......
Although tandem reactions offer rapid access to structurally complex molecules in one-pot reaction,the selectivity issue......
Ultrasonic-enhanced Stereoselective Debromination of vic-Dibromides to Alkenes with Metallic Zinc Po
本文通过对荣华二采区10...
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Copper-Catalyzed Redox-Triggered Remote C-H Functionalization: Highly Selective Formation of C-CF3 a
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Recent Advances in Hydrometallation of Alkenes and Alkynes via the First Row Transition Metal Cataly
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The addition reactions of alkenes and alkynes to the H-terminated GaN(0001) surface with a Ga dangling-bond have been st......
Volatile organic compounds (VOCs) are important precursors of atmospheric chemical processes. As a whole mixture, the am......
设W<sub>n</sub>、Q<sub>n</sub>和X<sub>n</sub>分别表示n-碳烷(C<sub>n</sub>H<sub>2n+n2</sub>n-碳炔(C<sub>n</sub>H<sub>2n-2......
介绍了中国石油化工股份有限公司北京燕山分公司Ⅲ套催化裂化装置由FCC工艺到MIP—CGP工艺的技术改造情况，对两种工艺状况的原料性......
通过对抚顺洗涤剂化工厂脱氢－烷基化联合装置运行情况的分析，提出了通过降低氢烃摩尔比、调整反应温度、优化原料组成等方法提高脱氢......
环己烷气相氧化裂解与传统的热裂解工艺相比,氧气的介入使环烷烃在较低温度下就能开环裂解.在反应温度650℃时,环己烷发生气相氧化......
卷烟样品在不同温度（400,600,800,1 000,1 200℃）下裂解后,用气相色谱-质谱法测定卷烟中烯烃类化合物的释放量。结果表明：有害性烯烃......
过氧化物抑制元素硫等活性硫化物银片腐蚀反应,使喷气燃料银片腐蚀级别降低或不具银片腐蚀作用.过氧化物在喷气燃料中含量受不饱和......
<正> 1.前言 在多相催化研究工作中,测定反应物分子在固体催化剂表面上化学吸附时产生的反应热,或者说化学吸附热,对研究催化剂的......
以钯－膦－酸体系催化烯烃氢酯基化的反应日显重要，而膦配体是决定此反应的重要因素，用二苯基膦乙酸（ＤＰＡ）为配体的钯催化剂体系，对烯烃的氢酯基......
烯烃的环氧化是工业上的重要反应之一[1]. 在众多的烯烃中, 端烯尤其是直链端烯是相对较难氧化的一类[2].......
手性催化剂在现代有机合成领域有着十分广泛的应用[1].其中Jacobsen型催化剂在非官能化烯烃的不对称环氧化反应中有很好的效果[2],......
综述了近年来烯碲化合物的合成及其在立体选择合成中的应用.参考文献49篇....
以1-己烯和正己烷不同质量配比的混合烃(以1-己烯质量分数计)为模型化合物,考察在4种分子筛催化剂(ZRP-L,Beta-L,REY-L,DASY-L)作......
采用Ag-SiO2固相萃取技术将含烯烃柴油分离为饱和烃组分和芳烃、烯烃混合组分,采用气-质联用和核磁共振等手段考察其分离效果,采用......
近年来, 高碘化合物显示出多样化的反应性能, 广泛用于有机合成. 其中以二醋酸碘苯的应用最为广泛[1]. Tingolio等[2]报道烯烃与二......
从定性及定量角度对烯烃亲电加成反应取向及反应活性进行了探讨，结合实例阐述了各种方法在教学中的应用。......
基于双键相对于单键键长的大小，提出了烯烃的分子距离边数（ＭＤＥ）矢量（μ矢量）；进而通过多元线性回归方法建立μ矢量与烯烃沸点之间的关系模型......
从共轭极化出发，以共轭极化过程的双极态静电能的平均值与非极态静电能的差值作为共轭极化势(CPP)．用共轭极化势与共轭烯烃紫外吸收......
采用气相色谱-质谱（GC-MS）对甲醇制烯烃（MTO）副产汽油中的C5～C7烯烃进行了详细的定性表征,对MTO副产汽油中的49个单烯烃、11个二烯烃和9......
２－（３－氨基苯砜基）乙醇硫酸氢酯在不同的条件下水解分别得到２－（３－氨基苯砜基）乙醇、３－乙烯砜基苯胺和２，２＇－二（３－氨基苯砜基）乙醚等三个产物。反应产物的结构......
Summary of main observation and conclusion Direct functionalization of alkenes and direct transformation of carboxamides......
The importance of CF3-containing molecules in pharmaceuticals, agrochemicals and materials intrigues the intense interes......
The addition reactions of alkenes and alkynes to the H-terminated GaN (0001) surface with a Ga dangling-bond have been s......
...
本氧化锇是一种贵而毒性大的试剂。本文介绍催化剂量的四氧化锇在立体选择性高的烯烃氧化反应中的应用，为四氧化锇在有机合成中的应......
