Separation and Insect Repellent Activity of Diastereoisomers of 2-Ethyl-1,3-hexanediol Against Aedes aegypti

The threo and erythro isomers of the insect repellent Rutgers 612, 2-ethyl-1, 3-hexanediol, have been separated by preparative gas chromatography, characterized, and tested biologically against the yellow-fever mosquito, Aedes aegypti (L.). Repellent activities of the isomers are equal.