氢溴酸

What are the chemical reaction characteristics of tropane alkaloids?

菪碱的鉴别原理是什么？

Objective To investigate the composition and preparation method of galanthamine hydrobromide dispersion tablets.

目的研究加兰他敏分散片的处方组成及制备工艺。

Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

以正十二醇和为原料,在硫的催化下,生产十二烷。

Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.

以工业废(48%)为原料,在硫存在下,与正辛醇进行反应合成1-辛烷。

Using 2-acetyl benzimidazole and sodium bromide as raw material,2-(dibromine acetyl)-benzimidazole hydrobromate was synthesized with the new bromine that displaced by chlorine gas in light.

以2-乙酰基苯并咪和化钠为原料,在光照条件下用氯气置换出化钠中的素,合成兽药噻苯咪中间体-2-(二乙酰基)-苯并咪盐。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中美沙芬、愈创木酚甘油醚和马来氯苯那敏含量的方法。