【摘要】 综述了还原芳香族硝基化合物制备芳胺的主要方法,包括催化加氢法、金属还原法、水合肼还原法、电化学还原法等.在对4种还原反应机理概述的基础上,分别介绍了其应用情况及各自的优缺点.其中水合肼还原法由于其具有反应收率高、产品纯度高及无污染等优点越来越受到人们的关注.更多还原

【Abstract】 Four preparation methods for aromatic amine were reviewed in the paper: reduction of metals,catalytic hydrogenation reduction,hydration hydrazine reduction and electro-chemical reduction.In these methods hydrazine hydrate reduction is the major one in the future for higher yields and purity and zero pollution.The reaction mechanism of these methods were also summarized.更多还原