Figure 2: Typical 1 H-NMR spectrum. The multiplet at 2.8ppm arises from the N-CH2 group of MEA, at 3.1ppm from the N-CH2 of the carbamate, at 3.5ppm from the O-CH2 group of the carbamate and at 3.6ppm from the O-CH2 group of the amine.
Figure 2: Typical 1H-NMR spectrum. The multiplet at 2.8ppm arises from the N-CH2 group of MEA, at 3.1ppm from the N-CH2 of the carbamate, at 3.5ppm from the O-CH2 group of the carbamate and at 3.6ppm from the O-CH2group of the amine.