4-[2-Hydroxy-3-(2-methoxyphenoxy)propyl]-1-piperazineacetic Acid is used as a reactant in the preparation of [hydroxy(methoxyphenoxy)propyl]piperazineacetic acid [[(phenylsulfonyl)oxadiazolyl]oxy]alkyl ester oxide derivatives (nitric oxide (NO) releasing ranolazine analogs, furoxan derivatives) and determination of their activity as antianginal agents
