Research Article
Some Thiophene Derivatives as Corrosion Inhibitors for Carbon Steel in Hydrochloric Acid
Table 2
Chemical structure of inhibitors.
| | Inhibitor | Structures | Names | Mol.Wt., Mol. formulas |
| | A |  | 2-[(2Z)-2-(1-cyano-2-iminopropylidene)hydrazinyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide | 289.35
C13H15N5OS |
| | B |  | ethyl 2-[(2Z)-2-(1-cyano-2-iminopropylidene)hydrazinyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate | 318.39
C15H18N4O2S |
| | C |  | 2-[(2Z)-2-(1-cyano-2-iminopropylidene)hydrazinyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carbonitrile | 271.34082
C13H13N5S |
|
|
