Process for preparing benzomorpholine derivatives by hydrogenating o-nitrophenoxy carbonyl compounds
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United States of America Patent
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Aug 28, 2012
Grant Date -
Feb 17, 2011
app pub date -
Dec 18, 2009
filing date -
Dec 23, 2008
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Expired
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Abstract
A process for preparing benzomorpholine derivatives is described, in which an o-nitrophenoxy carbonyl compound is hydrogenated in the presence of extraneous metal-doped sponge metal catalysts based on nickel or cobalt with ring formation.
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