Oxamic acid derivatives

Details Oxamic acid derivatives Oxamic acid derivatives

1976-03-23

1979-07-03

Daus, Donald G.

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

Organic compounds

Carboxylic acid esters

C07C10154

Patent

active

041601009

ABSTRACT:
Anti-allergic agents of aromatic and heterocyclic oxamic acid derivation present the following formula: ##STR1## in which A is a member selected from the group consisting of 2-thiazolyl, 2-pyridyl, 2-pyridyl-N-oxide, 6-(lower)alkyl-2-pyridyl, 3-cyano-2-pyridyl, 3-pyridyl, 4-pyridyl, 2-pyrimidinyl, 2-pyrazinyl, .alpha.-naphthyl, .beta.-naphthyl, phenyl, 2,6-di-chlorophenyl, and substituted phenyl moieties containing from one to three substituents in any of the 2,3,4 and 5 positions of the phenyl ring, independently selected from the group consisting of lower alkyl, lower alkylthio, lower alkylsulfinyl, lower alkoxy, hydroxy(lower)alkoxy, 2-(lower alkoxy oxalyloxy) ethoxy, benzyloxy, N-mono-and di-lower alkylamino(lower)alkoxy, halo, sulfamyl, polyhalo(lower)alkyl, carbamyl, N-lower alkylcarbamyl, nitro, mono-and di-lower alkylamino, phenylazo, carboxy, lower alkylcarbonyl, cyano, carb(lower)alkoxy, phenoxy(lower)alkoxy, lower alkoxyoxalamido and lower alkoxyoxalamidophenoxy radicals;

REFERENCES:
patent: 3317584 (1967-05-01), Stoffel
patent: 3511804 (1970-05-01), Duennenberger et al.
Baker, B. R. and P. Almaula, J. Org. Chem. 27, 4672, (1962).
Edmond, J. D. et al., Br. J. Pharmac. Chemother., (1966), 27, 415-426.
Tierie, G., Rec. Trav. Chim. 52, 420-424 (1933).
Baruffinil, A. et al., Il Farmaco, Ed. Sci., vol. XXII, pp. 718-734.

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