2-метилмасляной кислоты химические свойства, назначение, производство
Описание
2-Methylbutyric acid has a pungent, acrid odor similar to Roquefort cheese with an acrid taste. At low dilutions, it has a pleasant
fruity taste. May be prepared by decarboxylation of methyl ethyl
malonic acid (with heat); also by oxidation of fermentation amyl
alcohol (fusel oil).
Химические свойства
clear colorless to pale yellowish liquid
Вхождение
Occurring as the d-, l-, and dl-isomers; the racemic form has been reported found in angelica root oil and coffee; the d-isomer in the ester form has been identified in lavender oil. Also reported found in apple, apricot, berries, grapes, papaya,
peach, guava, pineapple, potato, bell pepper, tomato, peppermint and spearmint oil, vinegar, wheat breads, cheeses, chicken, mutton,
pork, hop oil, beer, cognac, rum, whiskies, cider, cocoa, coffee, tea, peanuts, passion fruit, trassi, mango, plum, tamarind, rice, corn
oil, loquat, scallops, Chinese quince, maté, mammee apple and Roman chamomile oil, cranberry, grape brandy, oriental tobacco,
and strawberry
Подготовка
By decarboxylation of methyl ethyl malonic acid (with heat); also by oxidation of fermentation amyl alcohol (fusel oil).
Определение
ChEBI: A methylbutyric acid comprising a butyric acid core carrying a 2-methyl substituent. Produced from amino acid leucine during nutrient starvation in bacteria.
Общее описание
Enantioselective esterification of (+/-)-2-methylbutynic acid catalyzed by Chromobacterium viscosum lipase immobilized in microemulsion-based organogels has been investigated.
2-метилмасляной кислоты препаратная продукция и сырье
сырьё
препарат