Ureylene naphthalene sulfonic acids

Details Ureylene naphthalene sulfonic acids Ureylene naphthalene sulfonic acids

1977-07-01

1978-10-17

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424315, 260507R, C07C14330, A61K 31185

Patent

active

041208919

ABSTRACT:
Ureylenebis-symmetrical-phenenylbiscarbonylimino-substituted phenylenecarbonylimino-tetranaphthalenepolysulfonic acid benzoic acid salts, and nitro- and amino-substituted phenylenebiscarbonylimino-substituted benzamido-phenylenedicarbonyl-dinaphthalenepolysulfonic acid benzoic acid salts which are intermediates for the preparation of the active ureides which have complement inhibiting activity.

REFERENCES:
patent: 4046805 (1977-09-01), Bernstein et al.
patent: 4051176 (1977-09-01), Bernstein et al.

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