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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 73956Generated: October 31, 2026

Dimethylformamide dimethyl acetal → 5-(2-Dimethylamino-vinyl)-2,4-dinitro-benzoic acid ethyl ester

https://huagongshe.com/reaction/73956

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamide dimethyl acetalHCID 78373—
ReactantEthyl 5-methyl-2,4-dinitrobenzoateHCID 15184632—
SolventDimethylformamideHCID 6228—
Product5-(2-Dimethylamino-vinyl)-2,4-dinitro-benzoic acid ethyl esterHCID 8519728132.3%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 5-methyl-2,4-dinitro-benzoic acid ethyl ester (39 g, 0.15 mol) and dimethoxymethyl-dimethylamine (32 g, 0.27 mol) in DMF (200 mL) was heated at 100° C. for 5 h. The mixture was poured into ice water. The precipitate was collected via filtration and washed with water to afford 5-(2-dimethylamino-vinyl)-2,4-dinitro-benzoic acid ethyl ester (15 g, 28%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08829204B2
Source datasetuspto-grants-2014_09
ORD IDord-926eda6f61cd48d99f432d53abf418bf
Source noteuspto-grants-2014_09