PROCESS FOR PREPARING 4-[(1,6-DIHYDRO-6-OXO-2-PYRIMIDINYL)AMINO BENZONITRILE

This invention relates to a process for preparing 4-[(1,6-dihydro-6-oxo-2-pyrimidinyl)-amino]benzonitrile (I) starting from a 4-oxo-1,6-dihydro-pyrimidinylcarboxylic acid ester (II) or starting from a guanidine derivative which is reacted with an alkoxy-methylene malonic acid ester to an ester (II)...

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Bibliographic Details
Main Authors STAPPERS, ALFRED, ELISABETH, SCHILS, DIDIER, PHILIPPE, ROBERT
Format Patent
LanguageEnglish
French
German
Published 20.02.2008
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:This invention relates to a process for preparing 4-[(1,6-dihydro-6-oxo-2-pyrimidinyl)-amino]benzonitrile (I) starting from a 4-oxo-1,6-dihydro-pyrimidinylcarboxylic acid ester (II) or starting from a guanidine derivative which is reacted with an alkoxy-methylene malonic acid ester to an ester (II) which is converted to (I), which reaction sequence may be a one-pot procedure.
Bibliography:Application Number: EP20060755299