What sequence of reactions is required for the following transformation?

Question

Quizplus · Accepted Answer

The transformation likely involves a nucleophilic substitution of a leaving group (possibly a halide) with a phenylsulfonyl group (PhS) followed by an elimination reaction to form an alkyne. The use of Ph₃P (phenylsulfonyl azide) as the reagent and KOtBu (potassium tert-butoxide) as the base in the second step is consistent with this mechanism. The use of acetone as a solvent in both steps is also common in organic synthesis. Option A (NaOMe/acetone) is not likely to be effective for this transformation, and option B (Ph₃P/acetone) is missing a base to perform the elimination step. Option D (acetone/heat) is too vague and does not provide any specific reagents or mechanisms for the transformation.

What Sequence of Reactions Is Required for the Following Transformation