CYANOQUINOXALINE 1,4-DIOXIDES

1453678 Cyanobenzofurazan 1 - oxides PFIZER Inc 22 Aug 1974 [7 Jan 1974] 24469/76 Divided out of 1453677 Heading C2C Novel compounds of the Formula I wherein the cyano group is in the 5- or 6-position may be prepared by reacting 4-chloro-3- nitrobenzonitrile with a source of azide ion, followed by p...

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Bibliographische Detailangaben
1. Verfasser:	JAMES WILLIAM MCFARLAND
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FODDER FOODS OR FOODSTUFFS HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Zusammenfassung:	1453678 Cyanobenzofurazan 1 - oxides PFIZER Inc 22 Aug 1974 [7 Jan 1974] 24469/76 Divided out of 1453677 Heading C2C Novel compounds of the Formula I wherein the cyano group is in the 5- or 6-position may be prepared by reacting 4-chloro-3- nitrobenzonitrile with a source of azide ion, followed by pyrolysis of the 4-azido-3-nitrobenzonitrile so produced. The compounds I are intermediates for the preparation of pharmaceutical active compounds claimed in Specification 1,453,677.