iso-dillapiole
500mls of dillapiole [1] was refluxed with 10g of 85% KOH under medium vacuum for 11 hours, then transfered to a vacumm distillation rig and 450mls of iso-dillapiole was recovered at bp 145-146/6, it was recrystallized from an equivalent volume of boiling petroleum ether, yeilding 410g of clear 1-2cm prisims with MP of 38C [2].