Piperazine → HCID 19773577, compound

Participants

Reaction Steps

A mixture of 224 parts of piperazine, 97 parts of ethyl 4-(3-chloropropoxy)benzoate and 1044 parts of methylbenzene was stirred overnight at reflux temperature. After cooling, the reaction mixture was washed with water (3×), dried, filtered and evaporated, yielding 115.2 parts (98.5%) of ethyl 4-[3-(1-piperazinyl)propoxy]benzoate (interm. 1). In a similar manner there was also prepared ethyl 4-[2-(1-piperazinyl)ethoxy]benzoate (interm. 2).

Provenance & Evidence