Preparation of halogenovinyl-substituted tetra-hydrofuran-2-ones

Details Preparation of halogenovinyl-substituted tetra-hydrofuran-2-ones Preparation of halogenovinyl-substituted tetra-hydrofuran-2-ones

1978-08-25

1980-09-30

Demers, Arthur P.

Harness for working animal

2603436, 542401, 542429, C07D30720

Patent

active

042257042

ABSTRACT:
Halogenovinyl-substituted tetrahydrofuran-2-ones of the formula ##STR1## are prepared by reacting a peracid such as peracetic, perpropionic or m-chloroperbenzoic acid with a halogenvinyl-substituted cyclobutanone of the formula ##STR2## in which R.sup.1 to R.sup.8 can be hydrogen, halogen, cyano or various organic radicals, or in pairs can make up a ring.
Products wherein R.sup.3 is not hydrogen or R.sup.1 is not halogen are new. The products are useful as intermediates in making insecticides.

REFERENCES:
patent: 3975381 (1976-08-01), Kondo et al.
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Burt et al., Pestic Science, 1974, 5, pp. 791-799.
Krauch et al., Organic Name Reactions, Wiley & Sons, 1964, pp. 27-28.
Johnson et al., J. Org. Chem. 37, (1972), pp. 1058-1059.
Bogdanowicz et al., Tetrahedron Letters, 1973, #12, pp. 923-926.
Meinwald et al., J. Am. Chem. Soc. 89, (1967), pp. 7075-7080.
Raphael, Chem. Abst. 86, (1977), #89593, Offen. 2623777.
Kondo, Chem. Abst. 84, (1976), #31266, Offen. 2461525.
Costain et al., Chem. Abst. 87, (1977), #5790, Offen. 2630981.
Finar, Organic Chem., Longmans, London, 1964, p. 185.

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