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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2355892Generated: October 30, 2026

tert-Butyl 4-oxopiperidine-1-carboxylate → tert-butyl 3-[(dimethylamino)methylene]-4-oxotetrahydro-1(2H)-pyridinecarboxylate

https://huagongshe.com/reaction/2355892

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl 4-oxopiperidine-1-carboxylateHCID 735900—
SolventDimethylformamide dimethyl acetalHCID 78373—
Producttert-butyl 3-[(dimethylamino)methylene]-4-oxotetrahydro-1(2H)-pyridinecarboxylateHCID 53395404—

Reaction Steps

4-Oxo-piperidine-1-carboxylic acid tert-butyl ester (10 g, 50 mmol) was dissolved in dimethyl formamide dimethylacetal (50 mL) and heated to reflux for 1.25 h. The solution was cooled, concentrated, and purified by flash chromatography to give 2.55 g (19%). Mass spec.: 255.16 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07754732B2
Source datasetuspto-grants-2010_07
ORD IDord-dfede5ba07794b1b8d16da6685225cc9
Source noteuspto-grants-2010_07