Liquid Chromatographic Purification of Geometric Isomers on Reverse-Phase and Silver-Loaded Macroporous Cation Exchange Columns

Abstract

An efficient preparative liquid chromatographic procedure was developed for the purification of geometric isomers used as insect attractants. The isomers can be freed of oxidation products by reverse-phase chromatography and then freed of isomeric impurities on a reusable, silver-loaded, commercially available macroporous cation exchange resin of 37–74 µ particle size. This resin has certain advantages over resins of larger particle size that have been used previously.