Collect. Czech. Chem. Commun. 1979, 44, 2843-2845

Optically active heptamethylenecarbodiimide

Otakar Červinka, Václav Dudek, Zdeněk Štíhel and Jan Zikmund

Department of Organic Chemistry, Prague Institute of Organic Technology, 166 28 Prague 6


Heptamethylenecarbodiimide III (n = 7) and undecamethylenecarbodiimide III (n = 11) were prepared. The former was partly resolved into its optical antipodes by chromatographic treatment on a column of partially acetylated cellulose.