1,3-dithian-2-ylidenes, their oxides, pharmaceutical composition

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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549 20, 549 21, 546284, C07D33908, A61K 31385

Patent

active

049468618

ABSTRACT:
The invention relates to the use of ketenethioacetals of the formula ##STR1## in which R.sub.1 represents aryl or heteroaryl, R.sub.2 represents hydrogen, an optionally substituted hydrocarbon radical, heteroaryl, an acyl radical, a group of the formula --S(O).sub.m --R.sub.a, wherein m is 0, 1 or 2 and R.sub.a is an optionally substituted hydrocarbon radical; or optionally functionally modified sulpho, A represents an optionally substituted bivalent aliphatic hydrocarbon radical and n is 0 or 1, and pharmaceutically acceptable salts of such compounds that contains a salt-forming group, for the treatment of liver diseases, respiratory tract diseases and vascular diseases pharmaceutical preparations containing compounds of the formula I and novel compounds of the formula I. The compounds have liver-protecting and immunomodulating properties.

REFERENCES:
patent: 3525751 (1970-08-01), Fried
patent: 3725394 (1973-04-01), Donche et al.
patent: 3781281 (1970-04-01), Hartzler
Chem. Abstr., 77:61914n (1972).
Corey et al., Tetrahedron Letters, No. 33, pp. 3201-3204 (1967).
CA 84:175153p (1976).
CA 83:10035t (1975).
Robbins et al., Pathologic Basis of Disease, 3rd Ed., pp. 892-894 (1984).
Loeb, Textbook of Medicine, 13th Ed., pp. 1390-1398 (1971).
CA 72:66955h (1970).
CA 68:73303q (1968).

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