Hf. Du et al., Solid-state asymmetric reduction of (S)-1,1 '-bi-2-naphthol-acetylferrocene molecular compound with sodium borohydride, CHIN J CHEM, 19(7), 2001, pp. 716-718
A novel molecular crystal formed between enantiopure 1,1 ' -bi-2-naphthol a
nd acetylferrocene has been prepared and characterized in this communicatio
n. The examination on its reduction with sodium borohydride showed that the
asymmetric induction was observed in the solid state but not in the soluti
on phase. The asymmetric induction in the solid-state reduction may be attr
ibuted to the chiral microenvironment of molecular crystal.