Stable crystal modifications of N,N,N-trimethyl-2,3-bis(9Z)-1-oxo-9-octadecenyloxy-1-propanaminium chloride, also known as 1,2-dioleoyloxy-3-trimethylammonium propane chloride

摘要

Disclosed is a process for crystallization of DOTAP chloride, also known as N,N,N-trimethyl-2,3-bis[[(9Z)1-oxo-9-octadecenyl]oxy]-1-propanaminium chloride, (Z,Z)-N,N,N-trimethyl-2,3-bis[(1-oxo-9-octadecenyl)oxy]-1-propanaminium chloride or 1,2-dioleoyloxy-3-trimethylammonium propane chloride. The pure enantiomers (2S)- and (2R)-DOTAP chloride can be prepared using the crystallization process, as can the racemic mixture.