Method of producing heterocylic carbamates from aza-heterocyclic compounds and carbon dioxide
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United States of America Patent
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May 20, 2003
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N/A
app pub date -
Jul 6, 2001
filing date -
Mar 25, 1999
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Expired
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Abstract
The invention relates to a method of producing heterocyclic carbamates of the general formula (I) by reacting aza-heterocyclic compounds with alkyl-or aryl-halides in the presence of carbon dioxide and alkali carbonate, and to new compounds of the general formula (I).
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