PROCESSO PER PREPARARRE UN TIOETERE BASICO ED IL SUO SALE

1-{2-[5-dimethylaminomethyl-2-(furylmethylthio)-ethyl]}-amino-1-methyl amino-2 - nitroethylene of the formula (I> and its hydrochloride, are prepared by reacting an 1-{2-[5-dimethylaminomethyl-2-(furylmethylthio)-ethyl]}-amino-1-(subst ituted thio)-2- nitroethylene of the formula (VI), wherein R...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: USKERT EMILIA DIEVALD, MATYUS PETER, KASZTREINER ENDRE, MAKK NANDOR, HORVATH GYULA, KOCZKA EVA FALTA, BOBAK DORA, SOMOGYI TIBOR, TOLDY LAJOS, STEFKO BELA, DIESLER ESZTER, LANG TIBOR, SZEDERKENYI FERENC, LAZAR ARPAD, BALOGH TIBOR
Format: Patent
Sprache:ita
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:1-{2-[5-dimethylaminomethyl-2-(furylmethylthio)-ethyl]}-amino-1-methyl amino-2 - nitroethylene of the formula (I> and its hydrochloride, are prepared by reacting an 1-{2-[5-dimethylaminomethyl-2-(furylmethylthio)-ethyl]}-amino-1-(subst ituted thio)-2- nitroethylene of the formula (VI), wherein R represents an optionally substituted C1-4 alkyl group or an oxoalkyl, aryl, aralkyl, or oxoaralkyl group, with an agent capable of splitting off a mercapten, in an organic solvent, optionally in the presence of an acid-binding agent, then reacting the in situ prepared 1-{2-[5-dimethylaminomethyl-2-(furylmethylthio)-ethyl]}-3-nitroketenei mine of the formula (VII> with methylamine and finally, if desired, separating the obtained base of formula (I), purifying it and/or, if desired, transforming it to its hydrochloric salt.