二溴代芳烃,aryldibromide,音标,读音,翻译,英文例句,英语词典

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1) aryldibromide 点击朗读

二溴代芳烃

2) 1,1-dibromoalkene 点击朗读

1,1-二溴代芳烯烃

3) aryl bromide 点击朗读

溴代芳烃

Suzuki cross-coupling reactions between aryl bromides and phenylboronic acids were studied over a hydroxyapatite-supported Mn catalyst(MnHAP) for the first time.

对于不同取代基取代的溴代芳烃或苯硼酸,可以得到中等产率(18%~46%)的偶联产物。

The palladium catalyst supported on fluoride pillared layered double hydroxide(LDH-F) was prepared by the incipient wetness method,and it was used to catalyze the Heck and Suzuki coupling reactions of aryl bromides.

以氟离子插层的水滑石LDH-F为载体,用逐滴浸渍法制备了新型Pd/LDH-F催化剂,并用其催化溴代芳烃的Heck和Suzuki偶联反应。

更多例句>>

4) polycyclicaryl bromide 点击朗读

多环溴代芳烃

A new and facile one pot preparation of polycyclicarylboronic acid is described,using BF\-3·OEt\-2,polycyclicaryl bromide and magnesium turnings(mol ratio 1∶1∶1) as starting substrates and reacting at 35 ℃ to give mono substituted boronic acid in 40%-60% yield(purity 98%-99%).

选择BF3·OEt2 作为硼化试剂 ,与多环溴代芳烃、Mg粉 (物质的量比 1∶1∶1 )在 35℃“一锅”反应 5h来制备单取代硼酸 ,可以获得40 %～ 60 %的产率 ,产物质量分数为 98%～ 99%。

5) ω-dibromoalkane 点击朗读

ω-二溴代烷烃

A series of α,ω-bis(4-methylphenoxyl) alkanes were synthesized by the nucleophilic substituted reaction of the salts of p-cresol and α,ω-dibromoalkanes with ethanol or water as solvent,and then reacted with N-bromosuccinimide to produce α,ω-bis(4-bromomethylphenoxyl) alkanes.

以乙醇或水为反应介质,通过对甲酚盐与α,ω-二溴代烷烃的亲核取代反应合成了α,ω-二(4-甲基苯氧基)烷烃系列产品,并以N-溴代丁二酰亚胺(NBS)作溴化试剂合成得到α,ω-二(4-溴甲基苯氧基)烷烃;通过元素分析和1H NMR等方法对目标化合物的结构进行了表征。

6) α,ω-dibromoalkanes 点击朗读

α,ω-二溴代烷烃

补充资料：3,5-二溴-N-(4-溴代苯基)-2-羟基苯甲酰胺

分子式：C13H8Br3NO2
分子量：449.96
CAS号：87-10-5

性质：无色至浅棕色针状结晶。熔点227-228℃。易溶于二甲基甲酰胺，溶于热丙酮，微溶于乙醇，不溶于水。

制备方法：由水杨酰苯胺溴化而得。

用途：用于制造消毒药皂（中性皂中含本品0.3-0.5%），可用于防治皮肤病、医院消毒洗涤液。也可作为化妆品的防腐剂。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

参考词条

溴甲基芳烃卤代芳烃取代芳烃氯代芳烃

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	您的位置：首页 -> 词典 -> 二溴代芳烃 1) aryldibromide 二溴代芳烃 2) 1,1-dibromoalkene 1,1-二溴代芳烯烃 3) aryl bromide 溴代芳烃 1. Suzuki cross-coupling reactions between aryl bromides and phenylboronic acids were studied over a hydroxyapatite-supported Mn catalyst(MnHAP) for the first time. 对于不同取代基取代的溴代芳烃或苯硼酸,可以得到中等产率(18%~46%)的偶联产物。 2. The palladium catalyst supported on fluoride pillared layered double hydroxide(LDH-F) was prepared by the incipient wetness method,and it was used to catalyze the Heck and Suzuki coupling reactions of aryl bromides. 以氟离子插层的水滑石LDH-F为载体,用逐滴浸渍法制备了新型Pd/LDH-F催化剂,并用其催化溴代芳烃的Heck和Suzuki偶联反应。更多例句>> 4) polycyclicaryl bromide 多环溴代芳烃 1. A new and facile one pot preparation of polycyclicarylboronic acid is described,using BF\-3·OEt\-2,polycyclicaryl bromide and magnesium turnings(mol ratio 1∶1∶1) as starting substrates and reacting at 35 ℃ to give mono substituted boronic acid in 40%-60% yield(purity 98%-99%). 选择BF3·OEt2 作为硼化试剂 ,与多环溴代芳烃、Mg粉 (物质的量比 1∶1∶1 )在 35℃“一锅”反应 5h来制备单取代硼酸 ,可以获得40 %～ 60 %的产率 ,产物质量分数为 98%～ 99%。 5) ω-dibromoalkane ω-二溴代烷烃 1. A series of α,ω-bis(4-methylphenoxyl) alkanes were synthesized by the nucleophilic substituted reaction of the salts of p-cresol and α,ω-dibromoalkanes with ethanol or water as solvent,and then reacted with N-bromosuccinimide to produce α,ω-bis(4-bromomethylphenoxyl) alkanes. 以乙醇或水为反应介质,通过对甲酚盐与α,ω-二溴代烷烃的亲核取代反应合成了α,ω-二(4-甲基苯氧基)烷烃系列产品,并以N-溴代丁二酰亚胺(NBS)作溴化试剂合成得到α,ω-二(4-溴甲基苯氧基)烷烃;通过元素分析和1H NMR等方法对目标化合物的结构进行了表征。 6) α,ω-dibromoalkanes α,ω-二溴代烷烃补充资料：3,5-二溴-N-(4-溴代苯基)-2-羟基苯甲酰胺分子式：C13H8Br3NO2 分子量：449.96 CAS号：87-10-5 性质：无色至浅棕色针状结晶。熔点227-228℃。易溶于二甲基甲酰胺，溶于热丙酮，微溶于乙醇，不溶于水。制备方法：由水杨酰苯胺溴化而得。用途：用于制造消毒药皂（中性皂中含本品0.3-0.5%），可用于防治皮肤病、医院消毒洗涤液。也可作为化妆品的防腐剂。说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条

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