2,2-Dichloroacetoacetyl chloride

Details 2,2-Dichloroacetoacetyl chloride 2,2-Dichloroacetoacetyl chloride

1981-11-13

1983-11-29

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5350

Patent

active

044180209

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.

REFERENCES:
patent: 3576860 (1971-04-01), Zazaris
patent: 3700053 (1972-10-01), Pawloski et al.
patent: 3701803 (1972-10-01), Boosen
Beilstein, "Handbuch der Organischen Chemie", vol. 3 (1922) p. 634.
Jolly, William L., The Synthesis and Characterization of Inorganic Compounds, (1971) Prentice-Hall, Inc., p. 50.
Journal of the Chemical Society, London, 1928, pp. 2779-2786.

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