Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...
Patent
1982-04-27
1984-01-31
Bond, Robert T.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Parasitic organism or component thereof or substance...
546193, 546196, A61K 31445, C07D40512, C07D40514
Patent
active
044289553
ABSTRACT:
The present invention provides benzopyranyl ethers of the general formula: ##STR1## wherein A is an alkylene radical containing 2 to 4 carbon atoms and R is a hydrogen atom or an acyl radical; as well as the salts thereof with pharmacologically acceptable acids.
The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them. Furthermore, the present invention is concerned with the use of these compounds for treating allergic diseases.
REFERENCES:
patent: 3046275 (1962-07-01), Kohlstaedt et al.
patent: 4330549 (1982-05-01), Friebe et al.
Friebe Walter-Gunar
Kampe Wolfgang
Roesch Egon
Wilhelms Otto-Henning
Boehringer Mannheim GmbH
Bond Robert T.
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