How to prepare benzocaine (fischer esterification )<br>Add a magnetic stir bar , 1.0 g of p-aminobenzoic acid, and 10ml of absolute ethanol to a round bottom flask. Swirl the mixture until the solid is completely dissolved. Add 1ml of concentrated sulfuric acid drop wise with a pasteur pipette to the ethanol-aminobenzoic solution.
Don't pour sulfuric acid into the ethanol-aminobenzoic solution.
The text says to add sulfuric acid with a dropper to the ethanol-aminobenzoic solution, so you shouldn't pour it. The negative statement might have fooled the model.
( z1 pour :polarity - :mxde imperative :ARG0 ( z2 you ) :ARG1 ( z3 small-molecule :name ( z4 name :op "sulfuric" :op "acid" ) ) :ARG2 ( z5 solution :mod ( z6 ethanol-aminobenzoic ) ) )