2-Methyltetrahydrofuran-3-one has a bread, buttery topnote. May be
prepared by hydrolytic decarboxylation of 2-methyl-4-carbomethoxytetrahydrofuran-
3-one; by acid-catalyzed ring closure of p-alkoxy-
diazoketones.
Reported found as a constituent in coffee aroma; also as a volatile flavor component in roasted filbert nuts. Also
reported found in guava, raisin, pineapple, onion, baked and fried potato, tomato, wheat bread, crispbread, smoked fish, cooked beef
and pork, pork liver, rum, cocoa, coffee, peanuts, potato chips, passion fruit, beans, mushroom, tamarind, sweet potato, licorice, malt,
dried bonito, cherimoya, okra and maté