Asteltoxin, isolated from the cultures of Aspergillus stellatus, exhibits a potent inhibitory effect on the activity of E. coli BF1-ATPase. During S. L. Schreiber’s synthesis of asteltoxin, compound 1 was treated with a strong base to form anion 2 (J. Am. Chem. Soc. 1984, 106, 4186–4188):
(b) Determine whether each of the following bases would be suitable for deprotonating compound 1 and explain your decision in each case: (i) NaOH, (ii) NaNH2, or (iii) CH3CO2Na.