Preparation of .alpha.-haloacetoacetic esters

Details Preparation of .alpha.-haloacetoacetic esters Preparation of .alpha.-haloacetoacetic esters

1984-06-11

1986-12-30

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 17, 560 23, 560 43, 560 51, 560 60, 560183, 560184, 260408, 558178, 558179, C07C 6700, C07C 67333, C07C 67716, C07C 67732

Patent

active

046330135

ABSTRACT:
Disclosed is a process for the preparation of .alpha.-haloacetoacetic esters by the reaction of an alkali metal alkoxide with a 5-halo-4H-1,3-dioxin-4-one compound, the desired product being obtained as an alkali metal salt which may be converted to the corresponding free ester by treating with acid.

REFERENCES:
Boese, A. B., Ind. Eng. Chem. 32, 16 (1940).
Chick et al., J. Am. Chem. Soc. 93, 946 (1908).
Chick et al., J. Am. Chem. Soc. 97, 1978 (1910).
Boehme, Org. Syn. Coll., vol. 4, 590 (1963).
Blomquist et al., J. Am. Chem. Soc., vol. 70, p. 29 (1948).

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