A novel transformation of alpha -substituted benzylcyanides by hydroxylatio
n of benzyl sites using cultured cells of cotton, Gossypium hirsutum, produ
cing alkano- or benzophenones via presumably alpha -cyanohydrin is demonstr
ated. Also regioselective hydroxylation of 4S-(-)-perillyl alcohol and 3S-(
-)-citronellol by cultured suspension cells of Catharanthus roseus is repor
ted. (C) 2001 Elsevier Science Ltd. All rights reserved.