Methanol → HCID 12840342, compound

Participants

Reaction Steps

A mixture of 4,5-dihydro-5-methyl-4-oxo-5-phenylfuran-2-carboxylic acid (0.4 g, described in Example 4), absolute methanol (50 ml), and sulfuric acid (3 drops) is refluxed overnight and evaporated. The residue is diluted with 50 ml of diethyl ether, and the solution is washed quickly with saturated sodium bicarbonate and water, dried over magnesium sulfate, filtered, and evaporated. The residue is crystallized from diethyl ether to obtain the title compound (0.32 g) mp 60°-62° C. and nmr (CDCl3) δ1.81(s), 3.99(s), 6.25(s) and 7.42(m).

Provenance & Evidence