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溶剂化物

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The effects of above-mentionedconditions on alkylene reaction are studied to obtain the optimum reactive conditionsby orthogonal experiments having seven factors and three levels. GCLE is chosen as material to prepare 7-phenyl acetamideyl vinyl cephalkyl acidp-methoxy benyl eatsr in the experiment. The process is as follow: GCLE reacts withiodide in solvent, and produce 3-iodid, then reacts with PPh_3 to produce Witting agent,and reacts with HCHO to produce 7-phenyl acetamideyl vinyl cephalkyl acid p-methoxy benyl eatsr in alkaline conditions.

试验选用GCLE作为原料制备7-苯乙酰氨基-3-乙烯基头孢烷酸对甲氧苄酯,反应过程如下:GCLE与碘化物、PPh3在溶剂中反应生成3位膦盐,在碱性条件下生成Wittig试剂再与HCHO反应生成7-苯乙酰氨基-3-乙烯基头孢烷酸对甲氧苄酯。

A colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds.

乙酸的固体氨化物,无色,用作溶剂及合成有机化合物。

A new mathod is studied for the synthesis of diketone s with the crosscoupling reaction of organotin reagents and diacyl chlorides catalyzed by cellulose oxyphosphine palladium complex compound.

本文首次采用纤维素氧膦-钯络合物为催化剂,以丙酮为溶剂,有机锡试剂与二元酰氯偶联合成二元酮化物。

The quaternary ammonium salt of quinoline synthesized by alkyl halide and quinolin etc.,can be used as corrosion inhibiter during acidizing treatment of oil well when it is compounded with organic amine,suitable solvent and surfactant.

以烷基卤化物与喹啉等原料合成的喹啉季铵盐,当其与有机胺、适当溶剂、表面活性剂复配后,可作为油井酸化作业的酸化缓蚀剂。

Silver ; nano powder ; bromide ; organic solvent

银; 纳米微粉;溴化物;有机溶剂

Silver nano powder was produced by salt of silver and bromide in anhydrous organic solvent.This method can reduce the tendency for silver nano particle to grow during drying.

在无水的条件下,以有机物为溶剂,从银盐和溴化物出发制备银纳米微粉,避免银纳米粒子干燥过程中易长大的倾向。

PEG400, which is poisonless, low cost with good capability of carrying sodium ion, was used as catalyst, and sodium cyanide owing to its less toxicity, stability, less amount in the reaction, was used as cyanating reagent in the reactions.

在有机卤代化合物或酯与PEG400、NaCN的用量比分别为1∶0.03和1∶1.3的条件下,获得了高收率(84%-96%)和高纯度(≥98%)的腈化物。通过几种不同溶剂下反应的对比,选择了以苯为溶剂,在酰氯与PEG400、 NaCN的用量比分别为1∶0.05和1∶1.2及反应温度为室温的条件下,合成了酰基腈化物。

Anthraquinone is prepared by the liquid phase oxidation of anthracene with oxygen in the presence of cobaltous salt,manganous salt and bromide.

在液相中,钴盐、锰盐、溴化物催化氧气氧化蒽制取蒽醌,当压力为0.5~0.8 MPa,溶剂是芳香性卤代烃和丁酸的混合物(其中丁酸质量分数为15%~20%)时,蒽醌的产率可达90%,纯度99.2%。

Cycloalkylation of diethyl malonate and ethyl cyanoacetate with alkyl halide was investigated in the presence of toluene.

以甲苯为溶剂及带水剂,用粉末K2CO3代替常规使用的乙醇钠,在季铵盐和聚乙二醇混合相转移催化剂的存在下,含有活泼氢的丙二酸二乙酯和氰乙酸乙酯与二卤代物进行缩合反应,得到相应的环化物。

Solubility of nitrobenzenamine in xylene was higher than that in toluene,but solubility of etherate was nearly the same in the two solvents.

硝基苯胺在二甲苯中的溶解度要大于甲苯中的溶解度,而醚化物在两种溶剂中的溶解度相当。

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