Process for preparing 2,4,6-trichloropyrimidine
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United States of America Patent
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Jan 27, 1998
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N/A
app pub date -
Jun 3, 1996
filing date -
Jun 9, 1995
priority date (Note) -
Expired
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Abstract
Process for preparing 2,4,6-trichloropyrimidine, characterized in that, in a first reaction step, barbituric acid is reacted, optionally in the presence of a catalyst, with phosphorus oxychloride and subsequently, in a second reaction step, with phosphorus pentachloride or with reactants forming the latter, in particular phosphorus trichloride and chlorine.
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