Process for preparing 1-methoxymethyl-5,5-diphenylbarbituric acid
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United States of America Patent
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Jun 20, 2006
Grant Date -
Jan 5, 2006
app pub date -
Jul 1, 2005
filing date -
Jul 2, 2004
priority date (Note) -
Expired
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Abstract
The present invention provides a novel process for preparing 1-methoxymethyl-5,5-diphenylbarbituric acid. In particular, the present invention provides a process for preparing 1-methoxymethyl-5,5-diphenylbarbituric acid by reacting 1,3-bis(methoxymethyl)-5,5-diphenylbarbituric acid with a Lewis acid to selectively remove one methoxymethyl group from 1,3-bis(methoxymethyl)-5,5-diphenylbarbituric acid.
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