Ureylenebis(anionic substituted phenylene carbonyl)imino naphtha

Details Ureylenebis(anionic substituted phenylene carbonyl)imino naphtha Ureylenebis(anionic substituted phenylene carbonyl)imino naphtha

1978-10-02

1980-10-21

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260507R, C07C14360, C07C143525

Patent

active

042295840

ABSTRACT:
Ureylenebis(anionic substituted phenylene carbonyl)imino naphthalene sulfonic acids and naphthalene carboxylic acids and their salts, which are useful as inhibitors of the complement system of warm-blooded animals. Naphthyl sulfobenzamido salts, which are new intermediates for the preparation of the active ureylenes, and the process for their preparation.

REFERENCES:
patent: 1218654 (1917-03-01), Heymann et al.
patent: 1218655 (1917-03-01), Heymann et al.
patent: 1308071 (1919-07-01), Heymann et al.
patent: 2164229 (1939-06-01), Coulthard

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