Other

Cheol Hun Yoon

Young Sam Kim

Seok Woo Lee

Shin Jong Kim

Jung Min Kim

Woon Phil Baik

The present invention provides a process for preparing an aromatic bromide or aromatic iodide from an aromatic amine derivative using nitrite anion and halodimethylsulfonium halide generated in situ from hydrobromic acid/DMSO or hydriodic acid/DMSO. The process for producing compounds of the formula (1) is disclosed (1) wherein X is bromine or iodine: Y is carbon or nitrogen; R, R, R, Rand Rwhich may be the same or different and are selected independently from the group consisting of a hydrogen, a hologen, a C-Calkyl, a C-Calkoxy, a nitro, a formyl, an aryl, a benzyl, a C-Calkylcarbonyl and an arylcarbonyl, provided that adjacent groups as selected from R, R, R, Rand Rmay combine to form a ring.

Growing community of inventors

Youngin-city, Kyunggi-do, 449-830, South Korea

Cheol Hun Yoon