Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2249233Generated: October 29, 2026

Dimethylformamide dimethyl acetal → 3-[(Dimethylamino)Methylene]-2,4-Octanedione

https://huagongshe.com/reaction/2249233

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamide dimethyl acetalHCID 78373—
Reactant2,4-OctanedioneHCID 84192—
Product3-[(Dimethylamino)Methylene]-2,4-OctanedioneHCID 54406479—

Reaction Steps

A mixture of 2,4-octanedione (7.11 g, 0.50 mole) and dimethylformamide dimethylacetal (7.15 g, 0.60 mole) was stirred overnight at room temperature under argon. The resulting red oil was concentrated on the rotary evaporation then distilled on the kugelrohr at -15 mm, 140°-155° C. to yield 8.60 g (87%) of 3-[(dimethylamino)methyleno]-2,4-octanodione.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05043449
Source datasetuspto-grants-1991_08
ORD IDord-87837acb561a42a086cab34af0bac0ca
Source noteuspto-grants-1991_08