1,2-Dibromoethane → HCID 53689643, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 3,4,5-trihydroxy-benzoic acid ethyl ester (5.00 g, 24.2 mmol) in DMF (70 mL) are added 1,2-dibromoethane (2.13 mL, 24.2 mmol) and CsCO3 (16.9 g, 50.9 mmol) and the mixture is stirred overnight at room temperature and for 5 hrs at 60° C. Extractive work-up with diethyl ether, washing of the organic phase with brine and evaporation gives the crude product as brown oil which is purified by silica gel chromatography (hexane/AcOEt 3:2). The title compound is obtained as a white solid. TLC, Rf (hexane/AcOEt 1:1)=0.27. MS: 223.0 [M−H]+. 1H-NMR (CDCl3): δ 1.40 (t, 3H), 4.3-4.42 (m, 6H), 5.45 (s, 1H), 7.23 (s, 1H), 7.29 (s, 1H) ppm.

Provenance & Evidence