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在酸性盐NH4Cl中证实简单方便的制得了多元取代呋喃化合物2,5-二甲基-3-甲酸乙酯呋喃(1b)和2,5-二甲基-3,4-二甲酸呋喃(1c)。
In the acidic salt NH4Cl was proved to be simple and convenient preparation of a plurality of substituted furan compounds ethyl 2,5-dimethyl-3-ethyl furan (1b) and 2,5-dimethyl-3,4-furan (1c ).