| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to field of metal protecting from acid corrosion and can be applied for protection of oil and gas pipelines, of chemical and oil-chemical equipment from acid corrosion. Inhibitor of acid corrosion of non-alloyed steels represents compound of 1-Nitro-3,3-diphenyl-1-[3-(3-nitrophenyl)-1;2,4-oxydiazol-5-yl]- 2,3-diazoprop-1-ene or compound 1-Nitro-3,3-diphenyl-1-[3-(4-chlorphenyl)-1,2,4-oxydiazol-5-yl]-2,3-diazolprop-1-ene or compound 1-Nitro-3,3-diphenyl-1(3-nitrophenyl-1,2,4-oxydiazol-5-yl)-2,3-diazoprop-1-ene and is obtained by reaction of condensation of equimolar quantities of substituted 3-aryl-5-nitromethyl-1,2,4-oxadiazol with 1,1-diphenylhydrazine in etoxyethane medium. ^ EFFECT: increasing degree of metal protection from corrosion and ecological safety. ^ 1 tbl |
