- 双语例句
1、
This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxymethoxybenzaldehyde through bromination.
再溴代得到2-溴 -4,5-二甲氧基苯甲醛,收率为91.9%,并分析溴代过程中甲酰基的邻位效应及溴代产物的稳定性.
互联网
2、
Objective: A new approach to prepare α - bromo - 4 - benzyloxy acetophenone was introduced.
目的: 报道一种合成α - 溴-4-苄氧苯基乙酮的新方法.
互联网
3、
A method for the determination of 6 - bromo - 2 - naphthol and 2 - naphthol is described.
采用高效液相色谱法同时测定了6-嗅-2-萘酚和 2- 萘酚的含量.
互联网
4、
Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.
方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.
互联网
- 今日热词
- 热门搜索
