SYNTHESIS OF SYN-7-BENZYLOXY-4-METHYLBICYCLOHEPT-5-EN-2-ONE, AN INTERMEDIATE FOR THE SYNTHESIS OF STEROIDS AND TRICOTHECANES; TANDEM ANIONIC - SIGMATROPIC REARRANGEMENT
The enone ether 1 has been prepared from 2-methylcyclopentenone and converted into the hydrindenone 2; the first example of a tandem anionic - sigmatropic rearrangement is reported.