Algicidal and fungicidal 1-halo-2-substituted-thioethyl sulfones

Details Algicidal and fungicidal 1-halo-2-substituted-thioethyl sulfones Algicidal and fungicidal 1-halo-2-substituted-thioethyl sulfones

1979-07-23

1981-03-10

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Recombinant or stably-transformed bacterium encoding one or...

A01N 4110

Patent

active

042554519

ABSTRACT:
1-Halo-2-alkylthioethyl and 1-halo-2-arylthioethyl sulfones, having algicidal and fungicidal activity, are prepared by the addition of arylsulfenyl or alkylsulfenyl halides to alkyl or aryl vinyl sulfones. The thioethyl sulfone products are treated with a base to produce 2-alkylthiovinyl or 2-arylthiovinyl sulfones, which also have algicidal and fungicidal activity. The vinyl sulfones are halogenated to produce 1,2-dihalothioethyl sulfones, which have superior fungicidal activity, especially for tomato and celery late blight.

REFERENCES:
patent: 3021370 (1962-02-01), Bluestone
patent: 3101377 (1963-08-01), Bluestone et al.
patent: 3742066 (1973-06-01), Tsuchihashi et al.
Chem. Abstracts, 76:58685n (1972); 51:5721f (1957); 52:2790g (1958); 55:3494a (1961); 67:108135v (1967); 68:59110t (1968).
N. D. Zelinskii, Inst. Org. Chem. USSR, No. 10, pp. 2149-2156 (1969); No. 7, pp. 1602-1608 (1970).

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