The present invention discloses regio-selective method for molecular bromination of substituted aniline without using any catalyst. More particularly, the invention discloses regio-selective method for preparation of 4-Bromo-2-Fluro aniline by molecular bromination of 2-Fluroaniline. 4-Bromo-2-Fluro aniline is a key...

“SYNTHESIS OF 3-BROMO-1-(3-CHLORO-2-PYRIDINYL)-1H-PYRAZOLE-5-CARBOXYLIC ACID” ABSTRACT: This invention discloses cost effective synthesis of 3-Bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxylic acid, a key intermediate used as a building block for many Active Pharmaceutical Ingredients. More particularly, t...