Smith 3rd Ed. (2010) CH 28: Amino Acids and Proteins
Solutions can be seen at mendelset.com/chapters/1072
Problem # 730
N,N-dimethylformamide (DMF) is shown below. Based on its structure, you might expect to see only one -CH3 signal in the 1H NMR spectrum. But instead DMF shows two different -CH3 signals. Explain.