Imidazo[2',1':2,3]-thiazolo[5,4-c]pyridines and composition ther

Details Imidazo[2',1':2,3]-thiazolo[5,4-c]pyridines and composition ther Imidazo[2',1':2,3]-thiazolo[5,4-c]pyridines and composition ther

1979-09-28

1981-01-13

Jiles, Henry R.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

546 83, 546114, A61K 3144, C07D51314

Patent

active

042449529

ABSTRACT:
A heterocyclic compound of the formula: ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein R.sup.1 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxycarbonyl, formyl, nitroso, acyl, phenacyl, aralkyl, .alpha.-(benzyloxycarbonyl)benzyl or .alpha.-carboxybenzyl; each of R.sup.2 and R.sup.3 is hydrogen, C.sub.1-4 alkyl or aryl; and all of R.sup.4, R.sup.5 and R.sup.6 are hydrogens, or both R.sup.1 and R.sup.6, and R.sup.4 and R.sup.5 together form single bonds; in which definitions the term "acyl", "phenacyl", "aralkyl" or "aryl" means that it may be substituted by at least one substituent at any position(s) on the aromatic nucleus, each substituent being independently selected from C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen, hydroxyl, phenyl, nitro, trifluoromethyl, methylthio, methanesulfonyl and methylenedioxy. Such compounds are useful as drugs for treating immune diseases.

REFERENCES:
patent: 3274209 (1966-09-01), Raeymaekers et al.
patent: 3463786 (1969-08-01), Bullock
patent: 4122083 (1978-10-01), Sundeen et al.
Chemical Abstracts, 87: 68236h (1977) [Khadse, B., et al., Bull. Haffkine Inst. 1977, 5(1), 9-16].

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