Aminomethoxy derivatives of norbornenylmethanol as biocorrosion inhibitors

Abstract

Norbornenylmethanol was synthesized by the reaction of cyclopentadiene and allyl alcohol, on the basis of which aminomethoxy derivatives of norbornenylmethanol were synthesized in the presence of formaldehyde and secondary amines by Mannich condensation. The yield of the target products was 43-71%. On the basis of 5-morpholinomethoxymethylbicyclo[ 2.2.1]-hept-2-ene and hexylbromide (1:1) in the presence of isopropyl alcohol, its complex was obtained. The physic-chemical properties of the synthesized compounds and the resulting complex were determined, their 1% solutions in isopropyl alcohol and 5% solution of 5-morpholinomethoxymethylbicyclo[2.2.1]-hept-2-ene were prepared. Their influence on the vital activity of sulfate-reducing bacteria of the type «Desulfovibrio desulfuricans» in three concentrations (5; 50; 100 mg/L) was studied. Bactericide inhibitors used in industry – AMDOR IK-7 and AMDOR IК-10 were taken as standards. It was determined that all the synthesized compounds and the resulting complex showed high bactericidal properties, moreover, compounds obtained on the basis of cyclic secondary amines showed a higher bactericidal effect against sulfate-reducing bacteria, unlike compounds obtained on the basis of aliphatic secondary amines. Considering that these aminomethoxy derivatives of norbornenylmethanol affect bacteria at very low concentrations, they can be proposed as effective inhibitors against sulfate-reducing bacteria.