Preparation of heterocycles using 1,3-dihalopropenes
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United States of America Patent
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Apr 2, 2002
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N/A
app pub date -
Jun 29, 1999
filing date -
Apr 7, 1997
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Abstract
Described are preferred processes for preparing heterocycles having one or more nitrogen and/or oxygen heteroatoms, utilizing a 1,3-dihalopropene as an effective 3-carbon fragment. Preferred processes yield pyridines, quinolines, oxazoles, pyrimidines and pyrazoles, depending upon the other reactant or reactants utilized with the 1,3-dihalopropene.
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