2,2-Dichloroacetoacetyl chloride
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United States of America Patent
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Nov 29, 1983
Grant Date -
N/A
app pub date -
Nov 13, 1981
filing date -
Nov 19, 1980
priority date (Note) -
Expired
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Abstract
2,2-Dichloroacetoacetyl chloride having the formula: ##STR1## Process for producing 2,2-dichloroacetoacetyl chloride wherein acetyl chloride is reacted by means of a Lewis acid as a catalyst with chlorine at a temperature of 30.degree. to 60.degree. C. The mole ratio of acetyl chloride to the catalyst is from 1:0.005 to 1:0.5 and the mole ratio of acetyl chloride to the chlorine is from 1:0.1 to 1:1.5. The most preferred catalysts are aluminum chloride and aluminum bromide.
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