Method for cyclizing hydrolysis of an aminonitrile compound into lactam
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United States of America Patent
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Nov 12, 2002
Grant Date -
N/A
app pub date -
Jun 4, 2001
filing date -
Jul 22, 1998
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Abstract
The invention relates to a process for the cyclizing hydrolysis of an aminonitrile compound into a lactam in the presence of a catalyst. The invention relates more particularly to a process for the cyclizing hydrolysis of an aminonitrile compound in the presence of a macroporous particulate catalyst obtained by deposition/impregnation of an oxygenated compound onto a macroporous support such as alumina. The invention applies in particular to the preparation of .epsilon.-caprolactam by cyclizing hydrolysis of aminocapronitrile.
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