Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2250204Generated: November 1, 2026

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

https://huagongshe.com/reaction/2250204

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 numberUS07314883B2
Source datasetuspto-grants-2008_01
ORD IDord-4a052ec4819f4b798634f3557870ca98
Source noteuspto-grants-2008_01