公开(公告)号：WO2015088728A8

公开(公告)日：2016-06-02

申请号：PCT/US2014066497

申请日：2014-11-20

Applicant: CHEMTURA CORP

Inventor： RAY THOMAS G ,  BARTLEY DAVID W ,  BROADHURST HUGH ,  GOODWIN NATE

IPC: C01B9/04 ,  C01D3/10 ,  C01D15/04 ,  C01F5/36 ,  C01F11/34

CPC classification number: C01F11/34 ,  B01J19/0033 ,  B01J19/006 ,  B01J19/2455 ,  B01J2219/00087 ,  B01J2219/00164 ,  B01J2219/00177 ,  B01J2219/00772 ,  C01B9/04 ,  C01D3/10 ,  C01D15/04 ,  C01F5/36

Abstract: Bromine containing compounds, such as calcium bromide, sodium bromide and the like, are prepared in high purity and more quickly with less waste by using a process with two bromination stages and often a third step wherein the crude product mixture can be adjusted to meet specific product requirements. In the first bromination stage, the majority, but not all, of a substrate is brominated usiung a reductive bromination reaction, the remaining unreacted substrate is converted to product in the second stage through another a reductive bromination reaction, although the specific reagents may be different, wherein the addition of bromine and a reducing agent are carefully monitored.

Abstract translation: 含溴化合物如溴化钙，溴化钠等通过使用具有两个溴化阶段的方法以高的纯度和更快的速度以更少的废物制备，并且通常是第三步，其中粗产物混合物可以调节以满足特定的 产品要求。 在第一个溴化阶段，大部分（但不是全部）底物被溴化使用还原溴化反应，剩余的未反应底物在第二阶段通过另一次还原溴化反应转化成产物，尽管具体试剂可能不同 ，其中仔细监测溴和还原剂的加入。