(-)-α-Microbiotene {(-)-(1S,5S)-2-methyl-5[(IS)-1,2,2- trimethylcyclopentyl]-bicyclo[3.1.0]hex-2-ene} (+)-β-microbiotene {(+)- (1S,2S)-2-methyl-5[(1S)-1,2,2-tri-methyl-cyclopentyl]-bicyclo[3.1.0.]hex- 2(7)-ene} and (-)-cyclocupar-9-en-2-one have been isol
Melching, Stephanie,Blume, Astrid,Koenig, Wilfried A.,Muhle, Hermann