Preparation of halogenovinyl-.gamma.-butyrolactones

Details Preparation of halogenovinyl-.gamma.-butyrolactones Preparation of halogenovinyl-.gamma.-butyrolactones

1978-10-06

1980-07-29

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560125, 560178, 568848, C07D30732

Patent

active

042150507

ABSTRACT:
Halogenovinyl-.gamma.-butyralactones, used as intermediates in the preparation of insecticidally active cyclopropanecarboxylic acid esters, and of the formula ##STR1## in which Hal represents F, Cl or Br,

REFERENCES:
patent: 2386749 (1945-10-01), Ruzicka
patent: 4102896 (1978-07-01), Raphael
patent: 4138584 (1979-02-01), Klemmensen et al.

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