And in the lappaconitine hydrobromide preparation, the outgrowth and long reaction time were overcome by dibromine alkyl instead of hydrobromic acid.
同时在氢溴酸盐制备上，用二溴代烷烃代替氢溴酸克服了反应副产物和反应时间长等问题。
The synthetic method of taurine was improved by shortening the reaction time and decreasing the amount of hydrobromic acid.
对牛磺酸的合成方法进行了改进。缩短了反应时间，减少了氢溴酸的用量。
Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid.
由季戊醇、氢溴酸制备了二溴新戊二醇。
Various methods are disclosed to remove the hydrobromic acid vapor from the higher molecular weight hydrocarbons and to generate bromine from the hydrobromic acid for use in the process.
公开了从较高分子量的烃中除 去氢溴酸蒸气以及从用于该方法的氢溴酸产生溴的各种方法。
N-octyl bromide was synthesized by hydrobromic method in which took n-octanol and industrial waste hydrobromic acid (48%) as materials, concentrated sulfuric acid as a catalyst.
本实验采用氢溴酸法，用浓硫酸作催化剂，以正辛醇、工业废氢溴酸(48%)及浓硫酸为原料，合成1 -溴代正辛烷。
The traditional method for 2,6-dibromoaniline synthesis is hydrolysis of 3,5-dibromo-4-aminobenzene sulfonamide produced from 4-aminobenzene sulfonamide and hydrobromic acid.
二溴苯胺传统的合成方法是由对氨基苯磺酰胺与氢溴酸反应生成3，5 二溴4 氨基苯磺酰胺，再经水解而得。
The traditional method for 2,6-dibromoaniline synthesis is hydrolysis of 3,5-dibromo-4-aminobenzene sulfonamide produced from 4-aminobenzene sulfonamide and hydrobromic acid.
二溴苯胺传统的合成方法是由对氨基苯磺酰胺与氢溴酸反应生成3，5 二溴4 氨基苯磺酰胺，再经水解而得。
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