A novel procedure is reported whereby polysubstituted bicyclo[3.3.1] nonane derivatives are prepared in one step from beta-ketoesters providing an adequate enolyzing catalyst is used.
RUEL, REJEAN;HOGAN, KEITH T.;DESLONGCHAMPS, PIERRE, SYNLETT.,(1990) N, C. 516-518
作者:RUEL, REJEAN、HOGAN, KEITH T.、DESLONGCHAMPS, PIERRE
Starting from 4-methylcyclohexanone (7), a concise total synthesis of the pinguisane-type sesquiterpenoid acutifolone A, in racemic form, has been accomplished in 14 steps with an overall yield of 14.5%.