Method for producing atropic acid ethyl ester
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United States of America Patent
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Jan 21, 2003
Grant Date -
N/A
app pub date -
Jan 17, 2001
filing date -
Aug 11, 1998
priority date (Note) -
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Abstract
A process for preparing ethyl atropate by reacting ethyl phenylacetate with paraformaldehyde in the presence of a base is described and entails employing as ethyl phenylacetate a product which contains not more than 0.03% of the corresponding methyl phenylacetate, and carrying out the reaction in N-methyl-pyrrolidone or N,N-dimethylformamide.
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