Abstract

We report an efficient synthesis of the novel 1,4,6,7-tetra­hydropyrazolo[3,4-<i>c</i>]pyridin-5-one scaffold with the potential for incorporation of alkyl or aryl substituents at the C-3 and N-6 positions. The route utilises a Dieckmann condensation to install the lactam ring, followed by a hydrazine cyclisation to build the fused pyrazole ring.

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