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US4326081A Conversion of mononitro aromatic compounds to amino compounds by hydrogen sulfide 失效
通过硫化氢将单硝基芳族化合物转化为氨基化合物

Conversion of mononitro aromatic compounds to amino compounds by
hydrogen sulfide
摘要:
Hydrogenation of mononitroaromatic compounds, particularly nitrobenzene, nitrotoluene and their monochloro and monohydroxy ring substitution products, using hydrogen sulfide as reducing agent and a titanium dioxide catalyst at 200.degree.-400.degree. C. and atmospheric pressure.
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