溴丁烷

制备1-溴丁烷是有机化学实验中的一个具有代表性的卤代烃合成实验。

Preparation of1-bromo-butane experiments in organic chemistry are a representative experiment halohydrocarbon synthesis .

以乙醇为溶剂，碘化钠为催化剂，由金属钠、对苯二酚和溴丁烷合成了1，4-二丁氧基苯。

With ethyl alcohol as solvent and sodium iodide as catalyst , 1,4-dibutoxybenzene was synthesized from metal sodium , hydroquinone and n-butyl bromide .

以N-甲基咪唑、吡啶、1-氯丁烷、1-溴丁烷为原料，合成了6种室温离子液体，并以其作为反应介质研究了不同条件下芳基碘化物的氰基化反应行。

Six kinds of room temperature ionic liquids have been synthesized from N-methylimidazole , pyridine , 1-chlorobutane , 1-bromobutane and others raw materials .

用密度泛函理论考察了甲基咪唑和一系列的卤代烷烃（氯乙烷，氯丁烷，溴乙烷，溴丁烷）反应合成咪唑类离子液体的反应机理。

The reaction mechanisms of 1-methylimidazole with a number of alkyl halides including ethyl chloride , butyl chloride , ethyl bromide and butyl bromide were determined using density-functional theory ( DFT ) .

本文报道了用七种手性相转移催化剂（其中三种未见文献报道）催化氯化苄或溴丁烷对α-异丙基对氯苯乙腈或α-异丙基苯乙腈的不对称烷基化反应。

Seven chiral phase-transfer catalysts , among which three have not been reported so far , have been prepared and applied to the asymmetric alkylation of α - isopropyl benzyl cyanide and α - isopropyl-p-chlorobenzyl cyanide .

目的改进溴甲基环丁烷的合成方法。

Aim To improve the synthetic procedure of bromomethyl cyclobutane .

溴甲基环丁烷的合成方法改进

Improved synthesis of bromomethyl cyclobutane

当四丁基溴化铵与溴代正丁烷的用量的物质的量之比超过0.05：1时，对反应产率的提高几乎不起作用。

When the molar ratio of TBAB and 1-butyl bromide was above 0.05:1 , the increase of TBAB dosage could hardly increase the yield .

研究了在四丁基溴化铵催化下，采用微波辐射由苯甲酸钠和溴代正丁烷发生亲核取代反应合成苯甲酸正丁酯。

N-Butyl benzoate was synthesized with sodium benzoate and n-butyl bromide as starting materials through nucleophilic substitution reaction in the presence of catalyst of tetrabutyl ammonium bromide under microwave irradiation .