Herein, the synthesis of three zwitterionic compounds (GZC-8, GZC-12, and GZC-18) derived from β-amino acids was carried out in good yield (>97%) through an ecofriendly, zero-waste synthesis procedure, starting from alkylamines (octylamine, dodecylamine, octadecylamine) and acrylic acid, under solventless conditions at ambient pressure and temperature. These compounds were characterized by Fourier transform infrared, two-dimensional nuclear magnetic resonance, electrospray ionization mass spectrometry, and elemental analyses and then evaluated as potential corrosion inhibitors for CO2 acidic environments characteristic of enhanced oil recovery (EOR) processes of the petroleum industry through electrochemical techniques such as open circuit potential (OCP), lineal polarization resistance (LRP), electrochemical impedance spectroscopy (EIS) at different immersion times, and potentiodynamic polarization after 24 h of immersion. From experimental measurements, inhibition efficiencies of 60, 89, and 90% were ob...