The total synthesis of favelanone

Article abstract of DOI:10.1016/S0040-4039(96)01482-7

(±)-Favelanone (1) has been synthesised by a sequence involving as the key step the cycloaddition of 6-methoxy-5-methyl-3-trimethylsilyloxyisobenzofuran-1-carbonitrile (3) to 7-bromo-5,5-dimethylbicyclo[4.1.0]hept-1(7)-ene (4).