PROCESS FOR PRODUCING SPIROISOQUINOLINE PYRROLIDINE TETRONS, THEIR ANALOGS AND PHARMACEUTICAL COMPOSITIONS COMPRISING SUCH COMPOUNDS

摘要

This invention relates to spiro-isoquinoline-pyrrolidine tetrones and their pharmaceutically acceptable salts thereof, to processes for their preparation, to methods for using the compounds, and to pharmaceutical preparations thereof. The compounds have pharmaceutical properties which render them beneficial for the prevention of diabetes mellitus associated complications.