通过无配体的铜催化均偶联反应合成对称二炔。
Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction.
方法:通过重氮盐的氮偶联反应。
方法:通过重氮盐的氮偶联反应。
Methods: Nitrogen coupling reaction of the diazonium salt was applied.
讨论了纳米镍催化偶联反应的可能活性位。
The probably active site of the cross coupling reaction over nano Ni catalyst is investigated.
对偶联反应用钯催化剂的研究进行了综述。
Recent advances in palladium catalysts for coupling reaction of aryl chlorides were reviewed.
用差热-热重分析确定了最佳偶联反应的条件。
The optimum coupling reaction conditions were determined by difference scanning calorimetry-thermogravimetric analysis.
通过重氮盐的氮偶联反应,合成三氮烯类新试剂。
A new triazene compound is synthesized by nitrogen coupling reaction of the diazonium salt.
方法用p,O双齿螯合钯配合物催化偶联反应合成目标化合物。
METHODS the target compound was synthesized from cross-coupling reaction catalyzed by p, o chelate palladium complex.
研究结果表明胺可以作为价廉和高效的配体促进钯催化交叉偶联反应。
The results show that amine could be used as the inexpensive and highly efficient ligands to promote the palladium-catalyzed coupling reactions.
扩链剂的用量存在最佳值,用量不足时偶联反应不充分,用量过量时封端反应加剧。
There existed an optimal dosage of the chain extender, lack of which caused deficiency of chain extension and excess of which led to more blocking reaction.
芳基硼酸在三苯基膦钯催化下,与溴代芳烃偶联反应,得到较高收率的不对称联苯衍生物。
Four unsymmetrical biphenyl derivatives were synthesized with good yields by the tetrakis(triphenylphosphine) palladium (0) catalysed cross-coupling reaction of arylboronic acid with bromobenzene.
过渡金属催化的偶联反应是构建碳碳键的最有效的方法之一,在有机合成中具有广泛的应用。
The transition metal-catalyzed cross-coupling reaction is one of the most effective methods for construction of carbon-carbon bonds and has found widespread use in organic synthesis.
在该偶联反应中,氢气是一种气体催化剂,它的加入有助于甲烷的脱氢偶联转化制备C2烃。
Hydrogen was a gas catalyst in the reactions, and it was useful for hydrogen to synthesis of C2 hydrocarbons by dehydrogenation coupling reactions of methane.
根据模拟结果,模型放大试验实现了偶联反应和再生反应的有机匹配,基本上达到了污染物的零排放。
According to the simulation results, the scale up test was performed and the proper match was realized for the coupling reaction and regeneration.
通过自制高效偶联试剂三三苯基膦氯化亚钴和自制金合欢基溴的还原偶联反应,成功地合成了角鲨烯。
Squalene was successfully synthesized from farnesyl bromide with the highly efficient reductive coupling reagent tri-triphenylphosphine cobalt chloride that was freshly prepared in the laboratory.
在本文第二章,我们研究了氨基酸促进的铜催化的芳基卤化物、烯基碘化物与叠氮化钠的交叉偶联反应。
In the chapter 2 of this dissertation, we studied the cross-coupling reaction of aryl halides and vinyl iodides with sodium azide under the catalysis of copper and amino acids.
CO气相催化偶联反应合成草酸酯、草酸工艺以其特有的技术优势成为当前C1化工领域研究的重要课题之一。
The process of producing diethyl oxalate and oxalic acid by co coupling reaction in gaseous phase was one of the most important projects of C1 chemical technology, due to its technical predominance.
而离子液体中的偶联反应是合成c - C键最有效方法之一,近几年来一直是催化化学和有机合成的研究热点。
Coupling reaction in ionic liquids is one of the most efficient methods for the construction of carbon-carbon bonds and also a highlight on catalyst and organic synthesis at present.
利用偶联反应合成溴甲酚绿键合硅胶,指出溴甲酚绿键合型改性硅胶作为新一代化学键合相,具有很大的发展潜力。
BCG. SG is prepared by coupled reaction. It is pointed out that this product has a great develop potentialities as a new type chemical bonded phase.
本文就镍结合物在形成碳-碳键交叉偶联反应中的性能及活性做了探索和研究。并对合成产物进行了光谱分析及测试。
Catalytic actiVity of Nickel complexes in the cross-coupling reaction for forming C-C bond have been studied. Gived spectra analysis date of ketones.
本论文的研究内容有两个方面:(1)微波等离子体催化的甲烷偶联反应,(2)传统技术催化乙炔加氢转化为乙烯。
This paper has two parts: (1) methane coupling under microwave plasma catalysis, (2) acetylene conversion into ethylene under conventional method.
制备了以超细二氧化硅为载体的氰乙基化可溶性蛋白质-钯催化剂,研究了它对三丁基锡氢化物和酰氯化合物偶联反应的催化活性。
Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.
我们使用高价有机碘试剂(PIFA)做氧化剂,实现了N-乙酰基吲哚与芳香化合物的直接偶联反应,得到了吲哚3号位高选择性的偶联产物。
In the presence of hypervalent iodine reagents (PIFA), Direct coupling reaction of N-acetyl-indole with aromatic compounds provided C-3 arylated indoles in high regioselectivity.
报道了纤维素氧膦 -钯配合物在有机锡试剂与酰氯化合物形成碳 -碳键的交叉偶联反应中的催化作用 ,并对部分反应条件及反应机理进行了研究和探讨。
The catalytic action of cellulose oxyphosphine palladium complexs in the crosscoupling reaction of organotin reagents with acid chlorides for forming C-C bond is presented.
报道了纤维素氧膦 -钯配合物在有机锡试剂与酰氯化合物形成碳 -碳键的交叉偶联反应中的催化作用 ,并对部分反应条件及反应机理进行了研究和探讨。
The catalytic action of cellulose oxyphosphine palladium complexs in the crosscoupling reaction of organotin reagents with acid chlorides for forming C-C bond is presented.
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