PROCESS FOR THE PREPARATION OF GRIGNARD REAGENTS AND NOVEL GRIGNARD REAGENTS

PROCESS FOR THE PREPARATION OF GRIGNARD REAGENTS AND NOVEL GRIGNARD REAGENTS

Grignard reagents which contain a protected aldehyde function are obtained i n a particularly advantageous manner from a halogenated aldehyde by reaction wit h a secondary monoamine to give an open-chain aminal, and conversion of the latt er into a Grignard reagent using metallic magnesium. The inve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GIFFELS, GUIDO, STEFFAN, GUIDO
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Grignard reagents which contain a protected aldehyde function are obtained i n a particularly advantageous manner from a halogenated aldehyde by reaction wit h a secondary monoamine to give an open-chain aminal, and conversion of the latt er into a Grignard reagent using metallic magnesium. The invention also relates to nov el Grignard reagents of this type.