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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1458528Generated: October 25, 2026

Piperidine → 1-(Quinoxalin-6-ylcarbonyl)piperidine

https://huagongshe.com/reaction/1458528

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
ReactantQuinoxaline-6-carboxylic acidHCID 674813—
ReactantBis-(1H-imidazol-2-YL)-methanoneHCID 5250894—
Reactant1-(Quinoxalin-6-ylcarbonyl)-1,2,3,6-tetrahydropyridineHCID 11630079—
Product1-(Quinoxalin-6-ylcarbonyl)piperidineHCID 148184—

Reaction Steps

The coupling of 6-quinoxalinecarboxylic acid to piperidine is accomplished in a manner similar to that used for the preparation of Invention Compound XIII, or by any other method known in the art for activation of aromatic carboxylic acids, such as, for example, activation by carbonyl diimidazole. 1H NMR δ 1.56 and 1.73 (br, 6), 3.40 (br s, 2), 3.79 (br s, 2), 7.82 (dd, 1, J=8.8, 1.9 Hz), 8.13 (d, 1, J=1.6 Hz), 8.17 (d, 1, 8.6 Hz), and 8.9 ppm (m, 2).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05852008
Source datasetuspto-grants-1998_12
ORD IDord-07b37a91766e4329953fb8f1ee583032
Source noteuspto-grants-1998_12