Amidoalkylating reagents containing a phthalimide group are used in the synthesis of hard-to-reach primary amines and complex heterocyclic
compounds. These types of amidoalkylating compounds are suitable reagents for nucleophilic substituted reactions in acidic media due to their resistance
to acids. Result of reactions of amidoalkylating reagents-N-hydroxyethylphthalimide and N-hydroxymethylphthalimide with aliphatic carbonic acids can
also produce new bactericidal and fungicidal esters. In this study, halogen acids reacted with N-hydroxymethylphthalimide monochloric acetic acid, monobromic
acetic acid, monoiodic acetic acid, trifluoric acetic acid and trichloroacetic acid, as well as, N-b-hydroxyethylphthaleidyl monohydric acid. As a
result of the reactions, new phthalimidomethyl and phthalimidoethyl esters of haloacetic acids were synthesized. The physical properties of crystalline
esters have been determined. The structure of these compounds were confirmed by the analysis of their IR and PMR spectra. The esterification reactions of
halogenated acetic acids were carried out in a benzene solvent and a sulfuric acid catalyst with primary alcohols, N-hydroxymethylphthalimide and N-β-
beta hydroxyethylphthalimide,. It was found that in a benzene solvent, which increases the rate of bimolecular nucleophilic exchange in primary alcohols,
phthalimidoethyl esters of halogen acid are formed in high yields, and phthalimidomethyl esters are formed in low yields. It was shown that the reaction of
esterification of halogen acids with N-hydroxymethylphthalimide proceeds with monomolecular nucleophilic exchange.