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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1512856Generated: November 4, 2026

Ethanol → HCID 59146119, compound

https://huagongshe.com/reaction/1512856

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantThionyl ChlorideHCID 24386—
Reactant5-Bromo-7-fluoro-1H-indole-2-propanoic acidHCID 59146089—
ProductHCID 59146119HCID 59146119—

Reaction Steps

To a suspension of 3-(5-bromo-7-fluoro-1H-indol-2-yl)propanoic acid (D160) (1 g) in ethanol (15 mL) was added thionyl dichloride (0.083 g). The reaction mixture was stirred at room temperature overnight. The solvent was removed in vacuo. The residue was diluted with EtOAc (30 mL). The organic phase was washed with 2 M sodium carbonate solution (25 mL) and water (50 mL), dried over sodium sulphate and evaporated in vacuo to give the crude product ethyl 3-(5-bromo-7-fluoro-1H-indol-2-yl)propanoate (D161) (1.1 g) as a yellow solid. δH (CDCl3, 400 MHz): 1.23 (3H, t), 2.73 (2H, t), 3.06 (2H, t), 4.16 (2H, m), 6.20 (1H, s), 7.05 (1H, d), 7.41 (1H, s), 8.85 (1H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08217028B2
Source datasetuspto-grants-2012_07
ORD IDord-a0fb04b0d2614260990eff83c5feae1a
Source noteuspto-grants-2012_07