A process for the preparation of substituted pyridine compounds and intermediates thereof

A process for the preparation of substituted pyridine compounds and intermediates thereof

The present invention discloses a process for the preparation of substituted pyridine compounds of formula (I), comprises a step in which vinylogous nitriles of formula (II), are obtained from substituted α,β-unsaturated nitrile compounds of formula (III), and a further step of converting the vinylo...

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Hauptverfasser: KLAUSENER Alexander G.M, NAGLE Pramod, PATRA Pranab Kumar, SINGH Vipender, SYTHANA Suresh Kumar, SHENDE Kantilal Balu
Format: Patent
Sprache:eng ; heb
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Beschreibung
Zusammenfassung:The present invention discloses a process for the preparation of substituted pyridine compounds of formula (I), comprises a step in which vinylogous nitriles of formula (II), are obtained from substituted α,β-unsaturated nitrile compounds of formula (III), and a further step of converting the vinylogous nitrile compounds of formula (II) into substituted pyridines of formula (I); wherein R1, R2, R3, R4 and LG are as defined in the description.