nucleophilic相关论文
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In this paper, we report the synthesis of furan derivatives from allenic sulfides. By the reaction with NaH, β-Hydroxyl......
Synthesis and Structure of a Novel Cobalt(Ⅱ)Complex with the Tertiary Carbinol Derivative of Di-4-py
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......
Synthesis and Characterization of Osmium Polycyclic Aromatic Complexes via Nucleophilic Reactions of
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......
Comparative Theoretical Studies of the Reactivity and Stability of Selected Groups of Isomers with C
Electronic structure calculations have been carried out to study various closely related isomers with propane backbone w......
Pyridazineshavebeenfoundwideapplicationinchemistryofpharmaceuticalsandagrochemicals'’,thereforemethodsofdirectintro......
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以硫酸二甲酯和乙醇胺为原料,在常温、常压下合成了N、N-二甲基乙醇胺,得到了最佳的实验条件,产品的收率达95%以上,纯度可达98%以......
以2-溴噻吩为原料,经溴代反应和格氏试剂反应制得2,2＇∶5＇,5＇-三联噻吩（1）;1乙酰化后与4-取代苯甲醛发生亲核加成反应得到α,β-不饱和......
采用桥连酯化法,对小檗碱进行熊去氧胆酸酯化修饰,合成新型化合物熊去氧胆酸小檗红碱酯,以提高小檗碱的降脂活性。首先以熊去氧胆......
合成了下沿带磺酸基的两种新型水溶性杯芳烃衍生物4和5,用红外、核磁与质谱表征确证了它们的结构与构象。以氯化苄和硫氰酸钾的亲......
A series of novel catalysts was developed using cationic Gemini surfactants intercalated in natural montmorillonite (MMT......
Effect of Cosolvent in a Nucleophilic Substitution Reaction Using Organoclay in Triphase Catalytic S
A remarkable rate enhancement technique has been devised for a typical nucleophilic displacement reaction by using triph......
A facile method for synthesis of 2,3-dihydro-1H-pyrrolo[2,1-c][1,4]benzothiazines by interaction of methylenactive (2-fl......
Primary tosylates 1a-d were converted to the corresponding amino species 3a-d. Benzylamine was proved effective for the ......
Spectral Evidence for the One-Step Three-Electron Oxidation of Phenylsufinylacetic Acid and Oxalic A
The co-oxidation of a mixture of phenylsulfinylacetic acid (PSAA) and oxalic acid (OxH2) by Cr(VI) in 20% acetonitrile-8......
Asymmetric Synthesis of Fluorinated Vicinal Diamines from Fluoromethyl Sulfinyl Imines and Diphenylm
A novel strategy was developed for the asymmetric synthesis of fluorinated vicinal diamines.Deprotonation of N-(diphenyl......
综述了用ＤＣＤＰ合成２，３－二氰吡嗪衍生物的方法，并对这类物质的应用，反应特点和研究进展进行了评述。......
It is usually reported that reaction between carbonyl and P2S5 produce thiono group compound. The Products from carbonyl......
本文通过对4-二甲氨基偶氮苯在代谢过程中的量子化学计算,认为亲电偶氮基具有致癌作用。亲电作用越强,致癌作用越强,亲电作用消失,......
Ladderlike polychloropropylsilsesquioxane (CP-T) was first synthesized by 'stepwise coupling polymerization'.The......
The 1-azido-2-chloro-4-nitrobenzene was prepared by nucleophilic substitution between 2-chloro-4-nitro-1-(trifluoromethy......
Introduction The electrochemical reduction of O<sub>2</sub> was investigated widely during the past two decades. O<sub>2......
Aminolysis of 1-(1-Hydroxybenzotriazolyl)-2,4-dinitrobenzene and 2-(1-Hydroxybenzotriazolyl)-5-nitro
The reaction 1-(1-hydroxybenzotriazolyl)-2,4-dinitrobenzene 1 and 2-(1-hydroxybenzotriazolyl)-5-nitro-pyridine 2 with am......
Computational Study of the Alkylation Reaction of the Nitrogen Mustard Mechlorethamine Using NBO Mod
Substances known as nitrogen mustards turn into aziridinium ion through the intramolecular cyclization SN1. This ion rea......
