Optical rotatory dispersion and circular dichroism. Part LXIX. Camphor derivatives; ‘anti-Octant’ behaviour of hydroxy- and acetoxysubstituents

C.d. and o.r.d. data are reported for the epimeric 3-hydroxy- and 3-acetoxy-derivatives of (+)-bornan-2-one [(+)-camphor], and the 2-hydroxy- and 2-acetoxy-derivatives of (–)-bornan-3-one [(–)-epi-camphor]. The observed contributions of hydroxy- or acetoxy-groups to amplitudes or ΔIµ values are in the opposite sense to that predicted for alkyl groups by the Octant Rule.