A partir demethyl-2 trimethylsilyl-4' butyne-3' yl-3 cyclanones et demethyl-2 trimethylsilyl-5' pentyne-4'yl-3 cyclanones on obtient desmethyl trimethylsilylmethyl bikenones
A partir demethyl-2 trimethylsilyl-4' butyne-3' yl-3 cyclanones et demethyl-2 trimethylsilyl-5' pentyne-4'yl-3 cyclanones on obtient desmethyl trimethylsilylmethyl bikenones