Abstract
The resolution of racemic erythro‐i‐(4′‐hydroxyphenyl)‐2‐(1″‐methyl‐2″‐phenoxyethylamino)propanol‐1 (Caa 40 Name used in the pharmacological tests. Commercial name “Duvadilan”, N.V. Philips‐Duphar. ) is described. The absolute configuration of the three asymmetric centres of the enantiomers is established.