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.
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.
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.
The drugs, including bromo-dragonfly and MDPV, are often marketed as plant food to evade regulations.
来自BBC