Synthesis of isoamyl formate, isoamyl acetate, isoamyl propionate, isoamyl butyrate, isoamyl isobutyrate and isoamyl isovalerate by catalysis of hydrated ferric chloride are reported.
After just two weeks on the high-fat, low-fiber, Western-style diet, the rural African group showed increased inflammation of the colon, as well as a decrease of butyrate.
了氯化铁催化合
甲酸
、乙酸
、 
纤维、 西式饮食仅仅
周后，非洲农村组的
症增加，丁酸盐减少。
