Derivatives of 2-hydroxythiophene and -furan fused with a nitrog

Details Derivatives of 2-hydroxythiophene and -furan fused with a nitrog Derivatives of 2-hydroxythiophene and -furan fused with a nitrog

1990-10-02

1993-03-02

Dentz, Bernard

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514301, 514302, 514412, 540593, 546114, 546116, 548453, 544127, 544362, A61K 31435, C07D49504

Patent

active

051909383

ABSTRACT:
The invention relates to compounds of formula ##STR1## in which R.sub.1 is selected from the groups R.sub.3 and OR.sub.3, R is selected from H and a group CHR.sub.2 R', in which R.sub.2 is selected from H, alkyl, carboxy and carboxamido and R', is H, alkyl or phenyl, Z represents S or O; and m and n, which may be identical or different, equal 1 or 2, and their N-oxides, salts and quaternary ammonium derivatives.
The invention also relates to the process for preparing these compounds, as well as to pharmaceutical compositions containing them.

REFERENCES:
patent: 4414225 (1983-11-01), Sauter et al.
patent: 4424356 (1984-01-01), Maffrand et al.
patent: 4740510 (1988-04-01), Badorc et al.
Low et al., Burger's Medicinal Chem. 4th Ed., Part I--The Basis of Medicinal Chem., John-Wiley, pp. 107 & 177-182 (1980).

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