PROCESS FOR PREPARING GUANIDINE DERIVATIVES

PROCESS FOR PREPARING GUANIDINE DERIVATIVES

The present invention provides a process for preparing a guanidine derivative of the formula (III): wherein R denotes lower alkyl, which comprises reacting a disulfide derivative of the formula (I): wherein R is as defined above, with a diacetyl derivative of the formula (II): wherein X is halogen,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ISHITOKU, TAKESHI, KIHARA, NORIAKI, TAKAHASHI, KATSUYA, TOMINO, IKUO, TAN, HIROAKI
Format: Patent
Sprache:eng ; kor
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention provides a process for preparing a guanidine derivative of the formula (III): wherein R denotes lower alkyl, which comprises reacting a disulfide derivative of the formula (I): wherein R is as defined above, with a diacetyl derivative of the formula (II): wherein X is halogen, in the presence of a thiol derivative and a basic compound.