Technologies
Title: | (A) cost effective preparation of safe brominating reagent having high atom efficiency (B) Processes for preparation of several commercially important bromo derivatives and pharmaceutical intermediates utilizing the reagent |
Area: | Chemical Sciences |
Focus Area: | Salt and Marine Chemicals |
Patent: | US Patent No: 6,740,253 |
Developing Agency: | CSIR-Central Salt Marine Chemicals Research Institute (CSMCRI) |
Email: | skannan@csmcri.res.in |
| Website Link : | https://www.csmcri.res.in/home |
Brief Description
Description : | The present invention relates to a non-hazardous brominating reagent from an aqueous alkaline bromine byproduct solution obtained from bromine recovery plant and containing 25 to 35% bromine dissolved in aqueous lime or sodium hydroxide containing alkali bromide and alkali bromate mixture having bromide to bromate stoichiometric ratio in the range of 5:1 to 5.1:1 or 2:1 to 2.1:1 and a pH ranging between 8-12 and also relates to a method for borminating aromatic compounds by using the above brominating agent |