5 amino-1-phenyltetrazole muscle relaxant preparations

5 - Amino - 1 - phenyltetrazole is prepared by refluxing phenylthiourea with CH3I in ethanol to yield 1-phenyl-S-methylisothiourea hydriodide. The latter is reacted with hydrazine to give 1 - phenyl - 3 - aminoguanidine hydriodide, which is converted into 5-amino-1-phenyl-tetrazole by treatment (a)...

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Hauptverfasser:	BOSSINGER CHARLES D, ENKOJI TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
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