Ureylene phenylene anionic naphthalenesulfonic acids

Details Ureylene phenylene anionic naphthalenesulfonic acids Ureylene phenylene anionic naphthalenesulfonic acids

1979-03-05

1980-10-21

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14330

Patent

active

042293723

ABSTRACT:
Novel ureylenebis-[substituted-phenylenecarbonylimino-substituted-phenylenesulfo nylimino]naphthalenetrisulfonic acid alkali metal salts], useful as inhibitors of the complement system of warm-blooded animals, the amino-substituted phenylenecarbonyl imino, substituted-phenylenesulfonylimino-naphthalenetrisulfonic acid, alkali metal salts, which are new intermediates for the preparation of the active ureylenes, and the process for their preparation.

REFERENCES:
patent: 2164229 (1939-06-01), Coulthand
patent: 3312707 (1967-04-01), Jones

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