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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 624451Generated: October 30, 2026

Piperidine → Benzyl 4-(piperidin-1-ylmethylene)piperidine-1-carboxylate

https://huagongshe.com/reaction/624451

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
ReactantBenzyl 4-formylpiperidine-1-carboxylateHCID 2776272—
SolventTolueneHCID 1140—
ProductBenzyl 4-(piperidin-1-ylmethylene)piperidine-1-carboxylateHCID 86642880—

Reaction Steps

To a solution of benzyl 4-formylpiperidine-1-carboxylate (22.35 g) in toluene (300 mL) was added piperidine (11.55 g). The mixture was stirred at reflux under a Dean-Stark trap overnight. The mixture was then concentrated under vacuum and the residue was used directly in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09303025B2
Source datasetuspto-grants-2016_04
ORD IDord-22f8d0245b1141c6998ebee7bd62604f
Source noteuspto-grants-2016_04