23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides

Which of the following refers to the process of hydrolysis of $\mathrm{thioesters}$?

Which of the following is the major product formed by acid-catalyzed hydrolysis of a thioester lactone?

Draw the structures of products A and B in the following reaction sequence.

Thioesters can react with nucleophiles to yield substitution products. Write a mechanism for the reaction of S-methyl ethanethioate with dimethylamine.