Ureylene phenylene anionic naphthalenesulfonic acids

Details Ureylene phenylene anionic naphthalenesulfonic acids Ureylene phenylene anionic naphthalenesulfonic acids

1978-07-11

1979-05-22

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260507R, 424315, C07C14330, A61K 31185

Patent

active

041559304

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

REFERENCES:
patent: 1308071 (1919-07-01), Heymann et al.
patent: 4120893 (1978-10-01), Poletto et al.

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