Fremstilling af substitueret Quinoxaliner fra dianilinen med 2,3-dihydroxy-1,4-dioxan

The present invention relates to a new process for the preparation of substituted quinoxalines (I) by cyclization of the corresponding dianiline with 2,3 dihydroxy-1,4-dioxane. In a preferred embodiment, the invention provides a process for the preparation of compounds having the formula wherein Q i...

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Bibliographic Details
Main Authors TABER, GERALDINE, PATRICIA, RAINVILLE, JOSEPH, PHILIP
Format Patent
LanguageDanish
Published 27.10.2008
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to a new process for the preparation of substituted quinoxalines (I) by cyclization of the corresponding dianiline with 2,3 dihydroxy-1,4-dioxane. In a preferred embodiment, the invention provides a process for the preparation of compounds having the formula wherein Q is a nitrogen protecting group. Compounds of formula III and their derivatives are precursors to certain aryl fused azapolycyclic compounds which exhibit activity as agents for the treatment of neurological and psychological disorders.
Bibliography:Application Number: DK20040734570T