brominating

常見例句

• METHODS:Abolishing of brominating step and optimizing of etherifying reaction.
  方法:革除溴化反應(yīng),對醚化反應(yīng)進(jìn)行了優(yōu)化。
• The determination of m - cresol content by brominating volumetric method was investigated.
  探討了間甲酚含量的容量分析方法。
• Application: Important Material of organic synthesis, often used as brominating reagent for the synthesis of bromo substituted organic compounds.
  用途： 重要的有機(jī)合成原料，常作為溴代試劑用于各種溴代有機(jī)化合物的合成。
• Trifluoromethylaniline was synthesized by brominating 4-nitrotoluene, followed by fluorine substitutionand hydrogenation, with a yield of 59.
  以對硝基甲苯為原料,經(jīng)溴化、氟置換、加氫還原得4-三氟甲基苯胺,收率59。
• This works put forward a method of synthesis of thiophene alcohol and discuss carefully the way of reducing by-product and condition of brominating and Gall's.
  提出了可工業(yè)化的噻吩乙醇的合成方法,并詳細(xì)地討論了降低副產(chǎn)物生成的途徑。對溴化和格氏化條件進(jìn)行了研究。
• Inquired into the influences of temperature, amount, speed and solvent on the brominating addition reaction, and discussed the operation crafts of separation and crystallization.
  探討了溴化溫度、溴量、溴速度、化溶劑對反應(yīng)的影響,并討論了分離結(jié)晶的操作工藝。
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