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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1846047Generated: November 2, 2026

Triethylamine → HCID 86723266, compound

https://huagongshe.com/reaction/1846047

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantEthyl AcetateHCID 8857—
ReactantTrifluoroacetic anhydrideHCID 9845—
ReactantHCID 86723265HCID 86723265—
SolventTetrahydrofuranHCID 8028—
ProductHCID 86723266HCID 8672326680%

Reaction Steps

To 2-bromo-5-(ethylsulfonyl)benzamide (Preparation 74, 2.20 g, 7.53 mmol) in THF (50 mL) with triethylamine (1.57 mL, 11.3 mmol) was added trifluoroacetic anhydride (1.26 mg, 9.04 mmol) dropwise under nitrogen. The reaction was left to stir for 16 hours, before dilution with EtOAc (100 mL) and washing with sodium bicarbonate solution (saturated 100 mL), HCl (1M, 100 mL) and brine (100 mL). The organic phase was dried over MgSO4 and the solvent removed under reduced pressure to give the title compound as a colourless solid in 80% yield, 1.64 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952008B2
Source datasetuspto-grants-2015_02
ORD IDord-65ae34c3f0a448b4890aee77da8a076c
Source noteuspto-grants-2015_02