Process for the manufacture of .alpha.-chloracetoacetamides

Details Process for the manufacture of .alpha.-chloracetoacetamides Process for the manufacture of .alpha.-chloracetoacetamides

1979-05-25

1980-06-10

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260561HL, C07C10330

Patent

active

042072590

ABSTRACT:
According to the invention, .alpha.-chloracetoacetamides, which is to be understood as including both .alpha.-chloro-N-monoalkylacetoacetamides and .alpha.-chloro-N,N-dialkylacetoacetamides, the alkyl radicals of which contain 1 to 3 carbon atoms, are produced by reacting the corresponding acetoacetamides with chlorine in aqueous solution at temperatures in the range of from -1.degree. C. to -25.degree. C. At a conversion of at least 95%, a selectivity of at least 97% and a yield of at least 95% of the theoretical yield, calculated on reacted acetoacetamide, are obtained.

REFERENCES:
patent: 3284500 (1966-11-01), Tieman
patent: 3358023 (1967-12-01), Birtwistle
patent: 3449421 (1969-06-01), Pearson
patent: 3483252 (1969-12-01), Beriget
patent: 3852351 (1974-12-01), Scharpf
patent: 3917694 (1975-11-01), Reinink

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