Coumarins connected via an oxyalkyl group with a piperidine ring

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...

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424258, 546157, 546194, 546196, 549289, A61K 31445, C07D31106, C07D31116

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active

043305490

ABSTRACT:
The present invention provides aryl ether derivatives of the general formula: ##STR1## wherein A is an oxygen atom or the group >N--R.sub.1, R.sub.1 being a hydrogen atom or a lower alkyl radical, R.sub.2 and R.sub.3, which can be the same or different, are hydrogen atoms or lower alkyl radicals, R.sub.4 is a hydrogen atom or a hydroxyl group, R.sub.5 is a hydrogen atom or an acyl radical, R.sub.7 is a hydrogen atom, a lower alkyl radical or a lower alkanoyl radical and R.sub.8 is a hydrogen atom, a lower alkyl radical, a lower alkoxy radical or a hydroxyl group; and the pharmacologically acceptable salts thereof.
The present invention also provides a process for the preparation of these compounds and pharmaceutical compositions containing them. It is also concerned with the use of these compounds for combating allergic diseases.

REFERENCES:
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patent: 4205082 (1980-05-01), Ferrini
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patent: 4281132 (1981-07-01), Ward
patent: 4288442 (1981-08-01), Friebe et al.
Roesch, et al., Chemical Abstracts, vol. 88, (1978) 44917a, abstract of Monogr. Allergy 1977, 164-168.

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