18-Crown-6 → 6-{4-[2-(4-Nitrophenyl)ethenyl]phenoxy}hexan-1-OL

Beteiligte Stoffe

Reaktionsschritte

To 500 ml of toluene in a 1000 ml round bottom flask, fitted with a condenser and magnetic stirrer, are added 14 g (0.05M) of 4-hydroxy-4'-nitrostilbene potassium salt, 14 g of 6-iodo-1-hexanol, and 0.5 g of 18-crown-6 ether. The mixture is refluxed for about 10 hours, and the solution is filtered hot and the product crystallizes from the toluene solution on cooling, mp 154°-157° C.

Herkunft & Nachweise