Incubation of Delta(9(15))-africanene with fungi Aspergillus niger and Rhizopus oryzae for 8 days yielded two oxidized derivatives, 10 alpha-hydroxy-Delta(9(15))-africanene and 9 alpha,15-epoxyafricanane. The structure of the two products were assigned by interpretation of their spectral data, (C) 1999 Elsevier Science Ltd. All rights reserved.