2,3-Quinoxalinedione as a novel corrosion inhibitor for mild steel in 1M HCl

Experimental and Theoretical Analysis of an Oxazinoquinoxaline Derivative for Corrosion Inhibition of Aisi 1018 Steel

“…26 Quinoxaline (benzopyrazine) derivatives are extensively reported in literature due some relevant application such as: biological effects, 27 advanced luminescent and material property, 28 as well as corrosion inhibitors. 2,4,[20][21][22][23][24][25] Relative to this latter application, Figure 1 shows examples of quinoxaline derivatives found as good corrosion inhibitors on mild steel.…”

“…In fact, heterocyclic compounds containing nitrogen, oxygen sulfur, and phosphorous have been extensively reported for their effectiveness in this field. 2,4,[12][13][14][15][16][17][18][19][20][21][22][23][24][25] Such important characteristic contributes to the adsorption phenomena on the metal surface 15 and organic molecules containing functional groups showed to be efficient corrosion inhibitors, such as amino group which act as inhibitor on metal surfaces. On the other hand, molecular solubility and degradation aspects also must be taken into account.…”

“…26 Quinoxaline (benzopyrazine) derivatives are extensively reported in literature due some relevant application such as: biological effects, 27 advanced luminescent and material property, 28 as well as corrosion inhibitors. 2,4,[20][21][22][23][24][25] Relative to this latter application, Figure 1 shows examples of quinoxaline derivatives found as good corrosion inhibitors on mild steel.The aim of this study is to report the inhibitory ability of the compound 2-(2,3-dihydro-[1,4] oxazino[2,3-b]quinoxalin-4-yl) ethanol (OAQX) against corrosion of AISI 1018 mild steel, in saline conditions. The benzopyrazine OAQX derivative (Figure 1) was chosen because it is structurally suitable on the referred purpose due to the different Lewis basic sites which could strongly coordinate with metallic materials.…”

Inibição à corrosão de aço-carbono em meio salino pelo heterociclo isatina veiculado em microemulsões

“…Em função da eficácia de filmes protetores que se formam na interface entre o metal e o meio corrosivo, destaca-se o uso de moléculas orgânicas contendo nitrogênio, oxigênio e enxofre. [9][10][11][12][13][14][15] Esta proteção está vinculada às interações entre heteroátomos presentes em suas estruturas com a superfície do metal, cuja natureza e carga superficial também influenciam diretamente o processo de adsorção.…”

Electrochemical Investigation of Inhibitory of New Synthesized 3-(4-Iodophenyl)-2-Imino-2,3-Dihydrobenzo[d]Oxazol-5-yl 4-Methylbenzenesulfonate on Corrosion of Stainless Steel in Acidic Medium

“…Organic compounds bearing heteroatoms with high electron density such as phosphorus, sulfur, nitrogen, oxygen or those containing multiple bonds which are considered as adsorption centers, are effective as corrosion inhibitors [6][7][8][9][10]. The compounds containing both nitrogen and sulfur in their molecular structure have exhibited greater inhibition compared with those possessing only one of these atoms [11][12][13]. In the literature, many thiazole derivatives have been reported as corrosion inhibitors and found to have good corrosion inhibition effect [14,15].…”