What are the chemical reaction characteristics of tropane alkaloids?

氢溴东莨菪碱鉴别原理是什么？

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

目研究氢溴加兰他敏分处方组成及制备工艺。

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

以正十二醇和氢溴为原料,在浓硫催化下,生产溴十二烷。

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

以工业废氢溴(48%)为原料,在浓硫存在下,与正辛醇进行反应合成1-溴辛烷。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴钠中滴加适量丙酮,在四丁基溴化铵催化下,高产率得到四溴化碳。

It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.

研究发现，在硫介质中，超痕量二甲基乙二醛肟能灵敏地加速溴钾氧化二甲基黄褪色指示反应。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋中,以间氯苯甲醛、溴钾为原料合成间氯苯甲,分别研究了反应温度、反应时间、原料配比、剂用量等条件对合成反应影响,确定了最佳工艺条件。

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-乙酰基苯并咪唑和溴化钠为原料,在光照条件下用氯气置换出溴化钠中溴素,合成兽药噻苯咪唑中间体-2-(二溴乙酰基)-苯并咪唑氢溴盐。

Based on the catalytic effect of thiocyanate on the oxidation of alizarine red by potassium bromate,a new catalytic spectrophotometric method for the determination of trace thiocyanate was developed.

在磷介质中，硫氰根对溴钾氧化茜素红褪色反应具有较强催化作用，据此建立了催化光度法测定痕量硫氰根新方法。

The results indicated that compared with potassium bromate, GOD has a strong effect on denaturing the wheat flour protein and in addition, excessive GOD might result in overoxidation.

结果表明，葡萄糖氧化酶对小麦粉中蛋白质改性作用较溴钾速度快且作用强烈，同时，过量葡萄糖氧化酶可能会造成氧化过度。

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.

建立一种采用高效相色谱检测复方制剂中氢溴美沙芬、愈创木酚甘油醚和马来氯苯那敏含量方法。