Are there alternatives to 1-Methyl-3-phenylpiperazine (CAS: 5271-27-2) in synthesis?

There are several alternatives to 1-Methyl-3-phenylpiperazine (CAS: 5271-27-2) in synthesis, such as other piperazine derivatives like 1-Ethyl-3-phenylpiperazine or 1-Butyl-3-phenylpiperazine. These alternatives can provide similar functional groups and properties but with different substituents. Other common reagents include substituted pyrrolidines and morpholines, which can be used as substitutes depending on the specific reaction conditions and desired product structure.