Reformatsky Reaction is an organic reaction in which the aldehydes or ketones condenses with α-halo esters in the presence of metallic zinc to form α-hydroxy esters. This reaction is named after a Russian chemist Sergey Nikolaevich Reformatsky in 1887. In this kind of reaction, inert solvent like diethyl ether or THF(tetra hydro furan) is used as a solvent.