Boron trifluoride → 2-Propenoic acid, 2-methyl-, tetrahydro-5-oxo-3-furanyl ester

Participants

Reaction Conditions

Reaction Steps

In a 20 mL Schlenk flask, 2.0 g of crude β-methacryloyloxymethyl-β-propiolactone was put, and dissolved in 8.0 g of toluene. Further, 54 μL of diethyl ether complex of boron trifluoride was added thereto, and the resulting mixture was warmed to 30° C. and stirred. After the mixture was stirred for 2 hours, the resulting reaction mixture was washed with a 10% sodium hydrogen carbonate aqueous solution and saturated brine, and dried over magnesium sulfate. After separation by filtration, the solvent was distilled off using an evaporator to give 1.1 g of crude β-methacryloyloxy-γ-butyrolactone represented by formula (10). FIG. 3 shows an NMR measurement chart.

Provenance & Evidence