| 摘要 |
PCT No. PCT/EP96/03415 Sec. 371 Date May 23, 1998 Sec. 102(e) Date May 23, 1998 PCT Filed Aug. 2, 1996 PCT Pub. No. WO97/07087 PCT Pub. Date Feb. 27, 1997The invention concerns a process for the reduction of nitro groups to amino groups, characterized that a nitro compound is reacted with hydrogen in the presence of an aqueous solution of a water-soluble metal catalyst of the formula M (L)n(Y)m wherein M is ruthenium, rhodium, nickel, or palladium; L, is a water soluble ligand; Y is a further ligand or an alkaline earth ion; n is 1, 2, 3, or 4; and m is 0, 1, or 2.
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