Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...
Patent
1986-12-12
1989-04-04
Higel, Floyd D.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Nitrogen containing other than solely as a nitrogen in an...
534558, 562488, 564142, 260544P, A61L 300, C02B 118, C07C10324
Patent
active
048187712
ABSTRACT:
Diphenic acid bis(dicyclohexylamide) represented by the following formula: ##STR1## A process for producing diphenic acid bis(dicyclohexylamide) represented by the above formula, which comprises dimerizing a diazonium salt of o-aminobenzoic acid in the presence of a reducing agent, followed by acidification to give 2,6'-dicarboxylbiphenyl; converting this dicarboxylic acid to 2,6'-dichloroformylbiphenyl by chlorination; and reacting this acid chloride with dicyclohexylamine.
Sustained release antimicrobial compositions comprising a clathrate compound consisting of a microbial agent and diphenic acid bis(dicyclohexylamide) represented by the above formula.
REFERENCES:
Gilman et al., "Organic Syntheses", Collective vol I, pp. 222 to 224, (1932), 2nd Ed.
Kissling, Chemical Abstracts, vol. 36, 992,3, (1942).
Vorshau et al., Chemical Abstracts, vol. 80, #59912d, (1974).
Sekikawa Ayako
Sugi Hideo
Tahara Kenji
Toda Fumio
Hamburg C. Bruce
Higel Floyd D.
Jordan Frank J.
Kanesaka Manabu
Kurita Water Industries Ltd.
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