Process for producing aromatic primary amine by low-pressure
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United States of America Patent
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Nov 5, 2002
Grant Date -
N/A
app pub date -
Nov 19, 2001
filing date -
Feb 4, 1999
priority date (Note) -
Expired
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Abstract
A method for producing an aromatic primary amine, characterized by hydrogenating an aromatic nitrile at a low partial pressure of hydrogen in a heterogeneous system comprising a non-reductive polar solvent and a nickel-immobilized catalyst suspended therein was proposed. By such method, an aromatic primary amine which is industrially useful as a medicine, agricultural chemical, dye surfactant, chemical agent, etc. can be produced in a high yield.
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