Toluene-3,4-diamine was prepared by catalytical hydrogenation of 2-nitro-4-aminotoluene at atmospheric pressure and 40 ℃ in the presence of catalyst Urushibara-Ni in yield of 84.7%. The catalyst can be reused 10 times.
文摘Toluene-3,4-diamine was prepared by catalytical hydrogenation of 2-nitro-4-aminotoluene at atmospheric pressure and 40 ℃ in the presence of catalyst Urushibara-Ni in yield of 84.7%. The catalyst can be reused 10 times.
