Inorganic salts of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo

Details Inorganic salts of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo Inorganic salts of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo

1978-11-27

1980-12-16

Chan, Nicky

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

2603452, 424283, A61L 904, A61K 3135, C07D31178

Patent

active

042397480

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 inorganic cation, the salt having a solubility of less than 3% 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).

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