Gram-Scale Synthesis of N-Aryl- and N-Aryl-N′-methylpiperazines on a Novel, Water-Swellable, Oxethane-Linked Poly(ethylene glycol) High-Loading Resin - Rudbeck, Hans Christian; Johannsen, Ib; Nielsen, Ole; Ruhland, Thomas; Sommer, Michael Bech; Tanner, David; Dancer, Robert (Synthesis, 2005)