Effect of the Nature and Position of Substituents on the Protective Properties of [1,3]Thiazino[3,2-a]benzimidazol-4-ones¹

V. N. Chelyabieva^a, O. I. Sizaya^a, S. V. Gatsenko^a, O. L. Gumenyuk^a,
A. N. Esipenko^b, and V. N. Britsun^b

^aChernigov State Technological University, ul. Shevchenko 95, Chernigov, 14027 Ukraine

^bInstitute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanskaya ul. 5, Kiev, 02660 Ukraine

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Received December 26, 2007

Abstract — Effect of the nature and position of substituents in [1,3]thiazino[3,2-a]benzimidazol-4-ones on their efficiency as corrosion inhibitors for steel 20 (HCl, pH 0) was studied.