Method for producing a .gamma.-lactone

Details Method for producing a .gamma.-lactone Method for producing a .gamma.-lactone

1977-02-04

1978-04-11

Jaisle, Cecilia M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260514H, 560124, 560219, C07D30732

Patent

active

040838552

ABSTRACT:
A method for producing a 3,3-dimethyl-4-(2,2-dihalogenovinyl)-4-hydroxybutyric-1,4-lactone of the formula, ##STR1## wherein X is a halogen atom, which comprises reacting a 1,1,1-trihalogeno-4-methyl-3-pentene-2-ol of the formula, ##STR2## wherein X is a halogen atom, or a 1,1,1-trihalogeno-4-methyl-4-pentene-2-ol of the formula, ##STR3## wherein X is a halogen atom, or the mixture of the both compounds with vinylidene chloride of the formula, ##STR4## IN SULFURIC ACID.

REFERENCES:
patent: 3488732 (1970-01-01), Heiba et al.
Bott, Angew. Chem., 77 Jahrg. 1965, No. 21, p. 967.

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