regioselectivity相关论文
Remote ether groups could be used as directing groups to prepare fully substituted 5-ether-1,2,3-triazoles with exclusiv......
开发了一种溶剂介导吡咯并[1,2-a]喹喔啉和N-碘代丁二酰亚胺(NIS)的区域选择性C-H碘化,分别以CHCl3和N,N-二甲基甲酰胺(DMF)为溶剂......
Double Nucleophilic Addition of Ketene Silyl (THIO)Acetals and Trimethylsilyl Cyanide to N-Allyliden
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Amino Acid and Valerolactam Syntheses Using Double Nucleophilic Addition Reaction To N-Allylideneami
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Baicalin is the most abundant ingredient of Scutellaria baicalensis,which has been shown to have a variety of biological......
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One-pot Synthesis of 2-Oxazolines from Ethyl α-Cyanocinnamate Derivatives with N-Bromoacetamide(NBA)
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A DFT study on the reaction mechanisms of alkene dehydrogenative silylation catalayzed by bis(imino)
An in-depth theoretical study has been performed to investigate the mechanism of dehydrogenative silylation catalyzed by......
Theoretical Insight into C(sp3)-F Bond Activation and Origin of Regio-and Chemoselectivities in Nick
Organic fluorine compounds such as freon,fluoro-liquid crystals,optical fiber,poly(tetrafluroethylene)(PTFE),pharmaceuti......
Computational Study on Rh(Ⅲ)-Catalyzed Synthesis of Indolines from Arylnitrones and Alkynes:Origin o
Density functional theory calculations were performed on Rh(Ⅲ)-catalyzed synthesis of indolines from arylnitrones and a......
Mechanism of Gold(I)-catalyzed Diazo Cross-Coupling of Aryldiazoacetate with Vinyldiazoacetate:A DFT
Pyrazoles and their derivatives are vital components of material sciences,medicines and synthetic intermediates[1-3].Thu......
The pyrazole moiety is widely regarded as a privileged heterocyclic skeleton with broad pharmaceutical activities,includ......
DFT Study on dinuclear palladium complexes catalyzing pyrrole formation from tert-butylisocyanide an
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Copper-catalyzed Three Component Reaction of Alkynes,TMSN3 and Ethers:Regiocontrollable Synthesis of
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Density functional theory calculations have been performed to study the detailed mechanism of Ni -catalyzed [3+2] cycloa......
Recycling of carbon dioxide into value-added organic molecules and materials has received widespread attention among......
Amine-catalyzed polycyclotrimerization of arylene bipropiolate:A metal-free and regioselective route
This paper presents a new synthetic route to hyperbranched polymer. An arylene bipropiolate monomer,dimethylmethylenebis......
Synthesis of organosilanes from alkenes is a very important topic owing to their wide applications.A Ni/Cu dual metal-ca......
Dual Palladium/Scandium Catalysis toward Rotationally Hindered C3-Naphthylated Indoles from β-Alkyny
A new dual palladium/scandium catalysis starting from β-alkynyl ketones and o-alkynyl anilines is reported for the firs......
首次运用密度泛函理论从分子水平上研究了铜(Ⅰ)催化烯丙基烷基化反应的机理。对所有可能反应路线的比较研究表明,[(i-Pr)2Cu]-在......
本文通过对荣华二采区10...
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Regioselective Synthesis of Polymerizable Vinyl Guaifenesin Esters Catalyzed by an Alkaline Protease
Three polymerizable vinyl guaifenesin esters with different acyl donor carbon chain lengths (C4,C6,C10) were regioselect......
本文通过对荣华二采区10...
Enzymatic regioselective symthesis of vinthesis of vinyl lactose ester and its chemical polymerizati
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......
Synthesis of Novel Bis-spiroisoxazolines through 1,3-Dipolar Cycloaddition of Nitrile Oxide with a,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......
Regioselective synthesis and anti-HIV activity of the novel 2- and 4- substituted pyrazolo [4,5-e] [
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......
Palladium-catalyzed highly regioselective Heck reaction of aryl nonaflates with electron-rich olefin
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......
Investigation into the Regiochemistry of 1,3-Dipolar Cycloaddition of C,N-Diphenyl Nitrone with Some
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......
Investigation into the Regiochemistry of Some Pyrazoles Derived from 1,3-Dipolar Cycloaddition of Me
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......
Highly Stereoselective Synthesis of 1,2-Diorganothio-1-alkenes via Hydrothiolation of Alkynyl Sulfid
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......
A 1,2,3,4-Tetrahydrofullerene Derivative Generated from a [60]Fulleroindoline: Regioselective Electr
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......
Carbon-Selective Difluoromethylation of Soft Carbon Nucleophiles with Difluoromethylated Sulfonium Y
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......
Insight into the Detailed Mechanism of HRh(CO)(PPh3)3 Catalyzed Hydroformylation of 1-Phenyl-1-(3-py
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......
Renewable β-Myrcene Polymerization Initiated by Lutetium Alkyl Complexes Ligated by Imidophosphonami
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......
Hydroselenation of 1, 2-allenyl sulfoxides give 2-organoseleno substituted allyl sulfoxides in high yields and the react......
Regioselective Propargylation of Aldehydes with Propargyl Bromide Mediated by Sn-In in Aqueous Media
Tin-indium were employed in the propargylations of various aldehydes with propargyl bromide in the presence of SnCl2 and......
Insight into the Detailed Mechanism of HRh(CO)(PPh3)3 Catalyzed Hydroformylation of 1-Phenyl-1-(3-py
Density functional calculations have been used to study the mechanism of 1-phenyl-1-(3-pyridyl)ethene hydroformylation u......
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......
1IntroductionThe primary objectives of the group "Natural products and bioactive molecules", are the development of synt......
Enzymatic regioselective symthesis of vinthesis of vinyl lactose ester and its chemical polymerizati
Transesterification reaction of lactose with divinyladipate in pyridine catalyzed by an alkaline protease from Bacillus ......
Regioselective Synthesis of Polymerizable Vinyl Guaifenesin Esters Catalyzed by an Alkaline Protease
Three polymerizable vinyl guaifenesin esters with different acyl donor carbon chain lengths (C4,C6,C10) were regioselect......
Lipase-catalyzed Regioselective Synthesis of Vinyl Ester Derivatives of Thiamphenicol: Novel Thiamph
Three polymerizable vinyl thiamphenicol esters with different acyl donor carbon chain length (C4, C6, C10) were regiosel......
The nucleophilic addition of Ti(Ⅳ) enolate derived from methyl aryl ketones to α, β-unsaturated compounds was found t......
Regioselectivity Study on Propylene Polymerization Catalyzed by Neutral Salicyladiminato Pd(Ⅱ) Model
Many attempts have been made to control the regioselectivity for olefin poly- merization by varying the structures of li......
A New Approach to Ethyl 1-Aroyl/Aroylmethyl-5-methyl-3-methylthiopyrazole-4-carboxylates: High Regio
Two series, totalizing twelve, of new compounds, ethyl 1-aroyl/aroylmethyl-5-methyl-3-methylthiopyrazole-4-carboxylates ......
A series of acyls (Ac, Bz and Ts) were introduced regioselectively to the 2-hydroxyl in methyl and ally 3-O-benzyl-α-L-......