Formic Acid → HCID 53946128, compound

Participants

Reaction Steps

47.8 g of 5-[4(S)-(chloroacetoxy)-3-oxo-2,6,6-trimethyl-cyclohex-1-en-1-yl]-3-methyl-penta-1,4-dien-3-ol are dissolved in 720 ml of methylene chloride. After the addition of 200 ml of formic acid, the solution is stirred at room temperture for 45 minutes, then introduced into water and extracted with diethyl ether. The ether extract is evaporated. The residue is taken up in 500 ml of methanol, treated with 100 g of potassium carbonate 250 ml of water, stirred for 1 hour, then introduced into water and extracted with ethyl acetate. The 5-[4(S)-(chloroacetoxy)-3-oxo-2,6,6-trimethyl-cyclohex-1-en-yl]-3-methyl-penta-2,4-dien-1-ol isolated from the extract is processed further as follows:

Provenance & Evidence