Process for preparing 3,5-diamino-1,2,4-triazoles

Process for preparing 3,5-diamino-1,2,4-triazoles

3,5-Diamino-1,2,4-triazoles in which R1 and R2 are each lower alkyl or form part of a pyrrolidinyl, piperidinyl or hexamethyleneiminyl ring; Q is a furan or benzene ring; n is 0 or 1; m is 2 or 3; X is sulphur when n is 1, m is 2, and Q is furan, and X is oxygen when n is 0, m is 3 and Q is benzene;...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: WEBB, ROBERT LEE
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
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
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Beschreibung
Zusammenfassung:3,5-Diamino-1,2,4-triazoles in which R1 and R2 are each lower alkyl or form part of a pyrrolidinyl, piperidinyl or hexamethyleneiminyl ring; Q is a furan or benzene ring; n is 0 or 1; m is 2 or 3; X is sulphur when n is 1, m is 2, and Q is furan, and X is oxygen when n is 0, m is 3 and Q is benzene; and R3 is hydrogen or lower alkyl are prepared by reacting an O-phenyl isourea in which Y is phenyl and R1, R2, Q, n, m and X are as defined above, with a hydrazine NH2NHR3 in which R3 is as defined above.