交叉反应

Moreover, the polymeric arsine palladium(0) complex is an efficient catalyst for the carbonyl allylation of aldehydes and the coupling reaction of aryl halides with terminal alkynes or Grignard reagent.

该聚合物负载的胂钯(0)配合物还是醛的羰基烯丙基化及芳基卤化物与端炔、Grignard试剂的交叉偶联反应的有效催化剂。

It is imaginable that the catalytic system could be used in cross-coupling of aryl bromides with other active methylene compounds.

预计该催化体系可以广泛用于溴代芳烃与其它含活泼亚甲基化合物的交叉偶联反应。

However,aryl arenesulfonates and mesylates are attracting more interesting.

近年来，芳基磺酸酯和甲磺酸酯参与的交叉偶联反应日益受到关注。

It has been reported that the BP26 and OMP31 proteins of Brucella are the dominant antigens in different animal species infected with this organism.

目的 传统布氏杆菌病血清学方法因其抗原构成复杂，存在较严重的交叉免疫反应性，导致结果判定困难。

Firms need to know the cross elasticity of demand for their product when considering the effect on the demand for their product of a change in the price of a rival's product or a complementary product.

第一，通过需求交叉弹性，生产者可以知道对自己产品的需求会因其它产品价格变化可能引起的反应。这将有助于企业制定自身的价格策略；有助于分析与各种产品之间有联系的风险问题。

Diazonium Salts as Substrates in Palladium-Catalyzed Cross-Coupling Reactions.

重氮盐类为衬底在钯催化交叉偶联反应。

You should pay attention to cross-allergic reactions between different analgesics and antipyretics.

您要注意不同解热镇痛药之间的交叉过敏反应反应。1。

Under these conditions several aryl iodides bearing a wide range of functional groups were converted into the corresponding aryl azides in good yields.

在重新优化后的条件下，大部分不活泼芳基溴化物可以与叠氮化钠发生交叉偶联反应得到良好收率的芳基叠氮化合物，但是有拉电子基团取代的芳基溴化物与叠氮化钠的偶联反应则难以进行。

Under these conditions several aryl iodides bearing awide range of functional groups were converted into the corresponding aryl azides in good yields.

在重新优化后的条件下，大部分不活泼芳基溴化物可以与叠氮化钠发生交叉偶联反应得到良好收率的芳基叠氮化储蓄型投资银条合物，但是有拉电子基团取代的芳基溴化物与叠氮化钠的偶联反应则难以进行。

The cross-coupling reaction of DOPO with halogenated phenols were achieved for the first time, novel phenolic hydroxyl-containing reactive-type DOPO-based flame retardants used in epoxy resins were synthesized; the cross-coupling reactions of 2\'-hydroxybiphenyl-2-ylphosphinic acid or diphenyl phosphine oxide with halogenated phenols were studied according to the above result, new reactive-type flame retardants used in epoxy resins were synthesized.

采用Pd催化的方法首次实现了DOPO与卤代酚的交叉偶联，合成了新型含酚羟基的反应型DOPO基环氧树脂阻燃剂；在此基础上实现了2-(2-羟基苯基)苯基次磷酸和二苯基氧化膦与卤代酚的偶联，合成了新型反应型有机磷环氧树脂阻燃剂。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。