2,2'-thienylbenzothiophenes, their preparation and their use for

Details 2,2'-thienylbenzothiophenes, their preparation and their use for 2,2'-thienylbenzothiophenes, their preparation and their use for

1991-07-30

1992-05-05

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

549 49, 549 51, 549 52, 549 56, 549 58, A61K 3138, C07D33364

Patent

active

051108291

ABSTRACT:
2,2'-Thienylbenzothiophenes of the general formula I ##STR1## where R.sup.1 and R.sup.3 independently of one another are each halogen, alkyl, haloalkyl, alkoxy or haloalkoxy, R.sup.2 is hydrogen, halogen, alkyl, haloalkyl, alkoxy or haloalkoxy, n is 0, 1 or 2, and the radicals may be different when n is 2, and m is 0, 1, 2, 3 or 4, and the radicals may be different when m is 2, 3 or 4, processes for their preparation, pesticides containing them and the use thereof.

REFERENCES:
patent: 3050442 (1962-08-01), Bijloo et al.
patent: 3706767 (1972-12-01), Kaltenbronn
K. J. Brown et al., Tetrahedron Letters, "A New Approach to the Synthesis of 2-Substituted Benzothiophenes and Their Hetero-Analogues", No. 46, pp. 4069-4072 (1974).
F. J. Gommers et al., Photochem. Photobiol., "Dithiophenes as Singlet Oxygen Sensitizers", 35, pp. 615-619 (1982).
T. Murthy et al., J. Sci Industr. Res., "Thiophenes and Thiapyrans", 19B, pp. 395-401 (1960).

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