Abstract Fuels and fuel additives from furfural derivatives via etherification are reviewed. Etherification is classified into two methods such as reductive etherification and direct etherification. A previous study showed that ethers containing shorter alkyl chains increase the octane number of fuels. Ethers containing longer alkyl chains enhanced the cetane number of diesel fuel. The etherification of furfural and its derivatives hold particular promise for the production of fuel additives. There are two strategies to produce furanic ethers: (1) the conversion of furfural to furfuryl alcohol or acetal followed by etherification and (2) the etherification of furfuryl alcohol (FFA), occasionally known as direct etherification. Both strategies require an acid catalyst. The conversion of furfuryl alcohol to furfuryl ethers was influenced by Bronsted or Lewis acid. The synthesis of methylfurans, which has higher research octane number than gasoline, is also described.

中文翻译：

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来自糠醛衍生物的燃料和燃料添加剂通过醚化和形成甲基呋喃

摘要 综述了通过醚化从糠醛衍生物中提取的燃料和燃料添加剂。醚化分为还原醚化和直接醚化两种方法。之前的一项研究表明，含有较短烷基链的醚会增加燃料的辛烷值。含有更长烷基链的醚提高了柴油燃料的十六烷值。糠醛及其衍生物的醚化对于燃料添加剂的生产具有特别的希望。有两种生产呋喃醚的策略：(1) 将糠醛转化为糠醇或乙缩醛，然后进行醚化；(2) 糠醇 (FFA) 的醚化，有时也称为直接醚化。这两种策略都需要酸催化剂。糠醇向糠醚的转化受布朗斯台德酸或路易斯酸的影响。还描述了甲基呋喃的合成，其研究辛烷值高于汽油。