Methods for synthesis of dicarbamate compounds and intermediates in the formation thereof
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United States of America Patent
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Issued Date -
Oct 26, 2006
app pub date -
Apr 21, 2006
filing date -
Apr 21, 2005
priority date (Note) -
Abandoned
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Abstract
Disclosed is a method of making 2-substituted-2-halo-1,3-propanediols via reduction of corresponding malonate compounds. Also disclosed is a method of making 2-substituted-2-halo-1,3-dicarbamate compounds (such as halo derivatives of felbamate, including fluorofelbamate) via reduction of malonate compounds, followed by carbamoylation. Reduction of the malonate compounds is carried out using an electrophilic hydride reagent.
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