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10-arylmethylene anthrone pyridine compounds and the raw materials for the reaction conditions, join in alkaline, phase transfer catalysts and acceleration response, KI synthesis of containing pyridine 10,10 - dialkyl anthraquinone.

以蒽酮和含吡啶基的化合物为反应原料,在碱性条件,加入相转移催化剂和KI加速反应的进行,来合成含吡啶基的10,10-二烷基蒽酮。

From the 13C NMR data, the degree of stereoregularity of the synthesized polystyrene could be moderately controlled by the chiral center in the oxazoline ring although atactic polymers were generally obtained by these Ni catalysts.

此外催化剂的立体结构以及反应条件对於聚合活性和聚合物性质的影响也将在本篇论文中探讨。

Poly( N -vinyl-2-pyrrolidone)protected nanoclusters of platinum was used as catalysts in the hydrogenation of m -phenoxy benzaldehydeto form high purity m -phenoxy benzalcohol.

研究了常压下聚N -乙烯基 2 -吡咯烷酮保护的铂金属簇催化剂催化间苯氧基苯甲醛加氢制备高纯间苯氧基苯甲醇的反应。

From the ester n, the intermediate Ⅲwas produced by the Sonogashira coupling reaction with terminal alkynes under the co-catalysts of Pd2 and Cul. These final products of alkynyl benzamide derivatives IV were obtained by the cleavage of support with primary or second amines.

液相合成兼容了固相合成可快速简便地对产物进行分离纯化以及溶液相合成可在均相条件下进行反应和用常规手段对反应中间体进行分析检测的优点,用聚乙二醇4000作为可溶性聚合物支持体,通过醚键将[1,3,5]氯三嗪连接在PEG上制备成PEG支持的新型的可溶性聚合物试剂I。

The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.

以苯酚为原料,复合金属离子为催化剂,研究用气相氧化合成苯醌,用铁粉还原苯醌制对苯二酚的两步法工艺,考察了氧化过程中的工艺条件对反应的影响。

This paper studied the catalytic transformation performances of hydrocarbon model compounds (such as n-Hexane,cyclohexane,1-Hexene) and sulfur-containing model compounds (such as thiophene,3-methylthiophene and benzothiophene) on ZSM-5 catalysts.

以正己烷、环己烷、1-己烯3种烃类和噻吩、3-甲基噻吩和苯并噻吩三种硫化物为模型化合物,考察了烃及含硫模型化合物在ZSM-5分子筛催化剂上的催化转化性能。

A three-dimensional large pore zeolite Hβ is used in the benzoylation of anisole instead of the classical Lewis acid catalysts to synthesize the important fine chemical intermediate 4-methoxybenzophenone.

采用高硅铝比、热稳定性好的三维大孔Hβ沸石替代传统Lewis酸催化剂催化苯甲醚的苯甲酰化反应,合成了重要精细化工中间体4-甲氧基二苯甲酮,收率可达92%。

N,N′-Disubstituted ureas,used as intermediates for synthesis of pesticides,resin precursors and carbamates,were synthesized from carbon dioxide and primary amines(namely n-propylamine,n-butylamine,n-amylamine,n-hexylamine,benzylamine and aniline) over organic base catalysts.

以有机碱为催化剂,CO2与伯胺反应合成了N,N′-二取代脲;考察了有机碱种类、伯胺碳链长度、反应温度、CO2压力、反应时间、催化剂用量对合成反应的影响。

N,N′-Disubstituted ureas,used as intermediates for synthesis of pesticides,resin precursors and carbamates,were synthesized from carbon dioxide and primary amines(namely n-propylamine, n-butylamine ,n-amylamine,n-hexylamine,benzylamine and aniline) over organic base catalysts.

以正丁胺为反应基质、TBD为催化剂,合成N,N′-二丁脲的最佳反应条件为:反应温度180℃,CO2压力10.0M Pa,反应时间10h,TBD摩尔分数5.0%;在此条件下,N,N′-二丁脲的收率为81.8%;红外光谱表征结果表明,合成的产物为N,N′-二丁脲。

Moreover,the selective oxidation of primary and secondary alcohols to corresponding carbonyl compounds with the multinuclear copper complexes Cul-Cu4 as catalysts have been conducted using TBHP and O_2/TEMPO,respectively.Among them,the copper complex Cu3 showed the best performance.On the performances of the two classes of oxidants,benzylic and heterocyclic alcohols could be effectively oxidized to carbonyl compounds.Specifically,the secondary alcohols could be effectively oxidized to ketones with excellent selectivity up to 100%in the presence of TBHP and the allylic alcohols could be effectively oxidized to aldehydes in the presence of O_2/TEMPO system.

实验结果还表明,在TBHP或O_2/TEMPO存在下,各配合物催化剂均能使各种取代芳香伯/仲醇以及杂环醇等以不同程度的转化率和选择性转化成相应的醛或酮,其中,配合物Cu3在O_2/TEMPO存在下可使苯甲醇和烯丙醇等以较高转化率和近100%的选择性转化成相应的醛,而对其它芳香醇和脂肪伯/仲醇等的催化性能则较差;在TBHP存在下,配合物Cu3则可使1-苯乙醇和其它仲醇以较高转化率和近100%的选择性转化为相应的酮,但对各类其它伯醇选择氧化的性能相对较差。

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Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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