1-bromo-3-chloro-1,2-diaryl-2-propanols, the stereo-selective preparation of erythro-1-bromo-3-chloro-1,2-diaryl-2-propanols and the conversion thereof into azolylmethyloxiranes

摘要

1-Bromo-3-chloro-1,2-diaryl-2-propanols of the general formula I ##STR1## where n and m are each 1, 2 or 3, and R.sup.1 and R.sup.2 are each hydrogen, haloalkyl, alkoxy, haloalkoxy, t-butyl or an aromatic radical which may be substituted, are prepared and converted into azolylmethyloxiranes.