Process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones
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United States of America Patent
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Nov 28, 2006
Grant Date -
Dec 2, 2004
app pub date -
Oct 9, 2002
filing date -
Oct 15, 2001
priority date (Note) -
Expired
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Abstract
A process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones of general formula (I), in which R is in each case a C.sub.1-10-alkyl group, a C.sub.3-8-cycloalkyl group, an alkyl group or an aryl-C.sub.1-4-alkyl group. For this, a malondiimidate of the general formula (II), in which R has the meaning given above, is reacted with diketene. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients. ##STR00001##
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