Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid
Patent
1980-04-25
1981-10-06
Chan, Nicky
Drug, bio-affecting and body treating compositions
Effervescent or pressurized fluid containing
Organic pressurized fluid
2603452, 424283, A61K 3135, C07D31124, A61L 904
Patent
active
042935415
ABSTRACT:
There is described a salt of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b')dipyran with a pharmaceutically acceptable organic cation, the salt having a solubility of less than 31 w/w in water a 20.5.degree. C.
There are also described processes for making the salts and pharmaceutical, e.g. anti-allergic, compositions containing them.
REFERENCES:
patent: 3673218 (1972-06-01), Cairns et al.
patent: 3686320 (1972-08-01), Fitzmaurice et al.
patent: 3718668 (1973-02-01), Cairns et al.
Bantick et al., J. Med. Chem., 19, 817 (1976).
Cairns Hugh
Lee Thomas B.
Chan Nicky
Fisons Limited
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