Are there alternatives to Ethyl 5-(1-piperazinyl)-1-benzofuran-2-carboxylate (CAS: 163521-20-8) in synthesis?

Alternatives to Ethyl 5-(1-piperazinyl)-1-benzofuran-2-carboxylate (CAS: 163521-20-8) in synthesis include analogous benzofuran derivatives with different functional groups. Other substitutes might involve using different carboxylic acids, piperazine analogs, or alternative heterocyclic compounds that can serve similar functional roles in organic synthesis. These alternatives often depend on the specific application and the desired properties of the final product.