What are the chemical reaction characteristics of tropane alkaloids?

氢酸东莨菪碱的鉴别原理是什么？

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

目的研究氢酸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。

以正十二醇和氢酸为原,硫酸的催下,生产十二烷。

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

以工业废氢酸(48%)为原,硫酸存下,与正辛醇进行反应合成1-辛烷。

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

向次酸钠溶中滴加适量的丙酮,四丁基铵催下,高产率得到四。

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，硫酸介质中，超痕量二甲基乙二醛肟能灵敏地加速酸钾氧二甲基黄褪色的指示反应。

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.

醋酸溶中,以间氯苯甲醛、酸钾为原合成间氯苯甲酸,分别研究了反应温度、反应时间、原配比、溶剂的用量等条件对合成反应的影响,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-乙酰基苯并咪唑和钠为原,光照条件下用氯气置换出钠中的素,合成兽药噻苯咪唑中间体-2-(二乙酰基)-苯并咪唑氢酸盐。

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.

磷酸介质中，硫氰酸根对酸钾氧茜素红的褪色反应具有较强的催作用，据此建立了催光度法测定痕量硫氰酸根的新方法。

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，葡萄糖氧酶对小麦粉中蛋白质的改性作用较酸钾速度快且作用强烈，同时，过量的葡萄糖氧酶可能会造成氧过度。

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酸美沙芬、愈创木酚甘油醚和马来酸氯苯那敏含量的方法。