Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1177726Generated: November 2, 2026

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

https://huagongshe.com/reaction/1177726

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 numberUS07842808B2
Source datasetuspto-grants-2010_11
ORD IDord-b0836ae4ed5e4a588f5279cf97d4f3cc
Source noteuspto-grants-2010_11