Method for producing symmetrical and asymmetrical carbonates
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United States of America Patent
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May 25, 2004
Grant Date -
N/A
app pub date -
Jul 22, 2002
filing date -
Feb 9, 1999
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Expired
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Abstract
Process for the preparation of symmetrical and asymmetrical carbonates of the general formula I ##STR1## by reaction of alcohols of the general formula II and alkyl or aryl halides of the general formula III, R--OH II R'--HAL III with carbon dioxide and caesium carbonate at room temperature in dipolar aprotic solvents.
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