Production of bepromoline
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United States of America Patent
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Sep 14, 2010
Grant Date -
Oct 30, 2008
app pub date -
Jan 28, 2008
filing date -
Jul 28, 2005
priority date (Note) -
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Abstract
A process for the preparation of a compound of formula (Ia):includes: (i) contacting a compound of formula (III):with a compound of formula (IV):in the presence of a palladium catalyst, methanol and hydrogen gas, the step (i) preferably being conducted under basic conditions with acetic acid being added to the medium of reaction once the consumption of the hydrogen gas has ceased.
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