Seven 1-iodoalkynes in yields of 78%~91% were synthesized by reaction of terminal alkynes and cesium hydroxide in dry THF at room temperature for 3 h followed by treatment with iodine.
端炔与氢氧化铯在无水THF中于室温反应3h后与碘作用合成了7个炔基碘,收率78%~91%。
In the presence of catalytic amount of cesium hydroxide, under nitrogen atmosphere terminal alkynes reacted with diaryl disulfides at room temperature in commercial THF to give almost exclusive (Z)-1,2-diarylthio-1-alkene in good yields, but under air atmosphere the reaction gave a mixture of alkynyl sulfide and (Z)-1,2-diarylthio-1-alkene.
氢氧化铯催化下,以商业THF作溶剂,在氮气氛中二芳基二硫醚与端炔室温反应,立体选择地生成(Z)-1,2-二芳硫基烯。
KCl as deionization,Cesium hydroxide was determined by flame atomic absorption spectrometry.
目的:建立工作场所空气中氢氧化铯的火焰原子吸收测定方法。
High Region-and Stereo-Selective Synthesis of Functional Alkene Promoted by CsOH
氢氧化铯作用下功能性烯烃的高立体、区域选择性合成研究
Cesium Hydroxide Promoted Stereoselective Synthesis of (Z)-1, 2-bis-chalcogenide(S, Se) Alkenes
氢氧化铯作用下（Z）-1，2-二杂（S，Se）取代烯烃的高立体区域选择性合成
Method for determination of cesium hydroxide in workplace air by flame atomic absorption spectrometry
工作场所空气中氢氧化铯的火焰原子吸收测定法
Synthesis of α-Alkyl(or α,α-Dialkyl) Diethyl Malonate by Cesium Hydroxide
氢氧化铯作用下α-烷基(或α,α-二烷基)丙二酸二乙酯的合成
Cesium Hydroxide Promoted Reaction of Element Selenium with Terminal Alkynes and Diaryliodonium Salts to Synthesize Acetylenic Arylselenides
氢氧化铯促进下硒、端炔及二芳基碘盐反应合成炔基芳基硒醚
Study of Cs Promoting Effects on Ag Catalyst for Ethylene Epoxidation
乙烯环氧化银催化剂中铯的助催作用
Synthesis of 1,3-Bis(4-nitrilemethoxyphenoxy) Propane Catalyzed by Cesium Carbonate
碳酸铯催化合成1,3-二(对腈基苯氧基)丙烷
Synthesis of p-Methoxyacetophenone Catalyzed by Silica Supported Cesium-Substituted Dodecatungstophosphate
硅胶负载磷钨酸铯催化合成对甲氧基苯乙酮
"Alkali: Inorganic compound, any soluble hydroxide (-OH) of the alkali metals: lithium, sodium, potassium, rubidium, and cesium."
碱: 无机化合物,任何碱金属,即锂、钠、钾、铷、铯的可溶氢氧化物。
Effect on Elevated CO_2 to Trigger Accumulation of Cesium of Sorghum Vulgare×Sorghum Vulgare Var. Sudanense Hybrid and Trifolium Praten L.
二氧化碳浓度升高对诱导高丹草和红三叶蓄积铯的影响
Radiochemical analysis of cesium-137 in water
GB/T6767-1986水中铯-137放射化学分析方法
Purification: Density Gradient Centrifugation (Sucrose &CsCl).
分离:密度梯度离心法(蔗糖&氯化铯).
Otherwise cesium tetrachloroiodide may be formed.
不然可能形成四氯碘化铯。
It is cool and filter the precipitated caesium dichloroiodide.
这是冷却，滤出沉淀的二氯碘化铯。
Cesium chloride is an example of a bodycentered cubic crystal.
氯化铯是体心立方晶体的一个例子。
Study on Cs~+ Solidification Mechanism in the Cement-Based Radioactive Waste Forms
放射性废物水泥固化体铯固化机理研究
The Research on the Synthesis of 1-Iodoalkynes, Ethers and Diselelides by the Catalysts of Cesium Ions;
铯离子催化端炔碘化，醚及二硒醚的合成研究
Study on Large Volume Poured Cement Based Low and Intermediate Level Radioactive Waste and Mechanism of Cs Solidified;
中低放废液大体积浇注水泥固化及铯固化机理