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Data · dataset · 2015

Facile Synthesis of 4-Oxo-4 H -quinolizine-2-carboxamide Derivatives

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A facile synthetic method for the construction of 2-substituted-4-oxo-4H-quinolizine based core structure has been successfully developed.

Description

The synthesis made use of a one pot Stobbe condensation followed by cyclisation starting from the commercially available 2-pyridinecarbaldehyde. The structure of the formed 4-oxo-4H-quinolizine-2-carboxylate was fully confirmed by MS, 1 H NMR, 13 C NMR, COSY, HMBC and HSQC spectra.

The ethyl carboxylate moiety was then further functionalized via direct aminolysis by a range of amines to afford the corresponding 4-oxo-4H-quinolizine-2-carboxamides 4a-i in moderate to good yields.

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DataCite10.6084/m9.figshare.159187015 d agoJSON v1
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