5-Methoxy-2-nitrobenzaldehyde → (2-Amino-5-methoxyphenyl)methanol

Beteiligte Stoffe

Reaktionsschritte

A quantity of 181.2 gm (1 mol) of 5-methoxy-2-nitrobenzaldehyde (prepared by methylation of 2-nitro-5-hydroxy-benzaldehyde with methyl iodide/potassium tert.-butoxide in dimethylsulfoxide) is dissolved in 1.8 liters of methanol, mixed with 50 gm of Raney nickel, and hydrogenated at ambient temperature and at 5 bar. After ten hours, the hydrogen uptake has ended. The catalyst is removed by suction filtration, and the methanol is distilled off.

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