1-H-Indole-2,3-dione derivatives and preparation thereof

1-R1-4- or 5-[4-pyridinyl-(CH2)n]-1H-indole-2,3-dione 3-Q derivatives, useful as cardiotonics, bronchodilators, anti-asthmatics, anti-allergics and anti-cholinergics, are prepared by cyclization of an N-(3- or 4-[4-pyridinyl(CH2)n]phenyl)-glyoxalamide oxime with acid; reaction of the product thus ob...

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Hauptverfasser:	LESHER, GEORGE YOHE, PAGE, DONALD FREDERICK, GRUETT, MONTE DEANE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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