palladium

The influence of a palladium catalyst on the microwave tritium labelling reaction and dehalogenation or addition of the starting materials are discussed.

讨论了引入钯催化剂对微波氚标记,及微波氚标记过程中脱卤和加成作用的影响。

Palladium can be separated from polyxene by the process of resolving polyxene,removing nitrate,precipitating palladium,etc.The grade of pure platinum obtained from the process is more than 99.95%.

粗铂经王水溶解,赶硝,加入丁二酮肟使大部分钯以沉淀的式与铂分离,余留的少量钯用溴酸钠水解法处理,可达到铂钯分离的目的,所得纯铂品位高于99.95%。

Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.

制备了两种不同的含氮高分子-钯络合物，并研究了它们对对硝基甲苯的催化活性。

Rate Acceleration, Use of Aryl Chloride Substrates, and a New Carbene Ligand for Asymmetric Transformations.

【文章标题】Improved Catalysts for the Palladium-Catalyzed Synthesis of Oxindoles by Amide -Arylation.

A new mathod is studied for the synthesis of diketones 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合成二元酮化物。

DBNCPA of asymmetry acid bis-diazo reagent have the color reaction with the metal palladium,but have not obvious color reaction with other five kind of metal elements of the platiniridium.

作为不对称变色酸双氮试剂的二溴硝基氮膦与金属钯可发生显色反应,而与同属铂系元素的其他五种金属的显色反应并不明显;

Some systems, like Fortress (Mirage Dental Co.) and Cerinate (Den-Mat Corp.), utilize a direct build up of a ceramic on a refractory die or on a master die swedged with palladium or platinum foil.

不同的全瓷间接修复系统其材料组分与制作过程都有很大不同。牙科材料制造商在其各自系统内使用各种瓷材料与瓷填料颗粒来达到特定的强度与美学效果。

An efficient palladium-cocatalyst system for vinylation of unsaturated carboxylic acid has been exploited,among which aliphatic amines(ALA)are firstly used as cocatalysts.

以醋酸钯/邻菲洛林/脂肪胺为催化体系,丙烯酸和乙酸乙烯酯为原料,通过乙烯基交换反应制备丙烯酸乙烯酯。