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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1035153Generated: October 26, 2026

Trifluoromethanesulfonic acid → N-trifluoroacetyl-2-iodo-4-chlorophenethylamine

https://huagongshe.com/reaction/1035153

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoromethanesulfonic acidHCID 62406—
ReactantBis(pyridine)iodonium tetrafluoroborateHCID 10883201—
Reactantn-Trifluoroacetyl-4-chlorophenethylamineHCID 22292794—
SolventDichloromethaneHCID 6344—
ProductN-trifluoroacetyl-2-iodo-4-chlorophenethylamineHCID 2229282138.9%

Reaction Conditions

Temperature20 °C

Reaction Steps

A solution of N-trifluoroacetyl-4-chlorophenethylamine (1.6 g, 6.4 mmol) in dichloromethane (20 mL) was treated with bis(pyridine)iodonium(I)tetrafluoroborate (2.6 g, 7.0 mmol), CF3SO3H (2.1 g, 14.1 mmol) and stirred overnight at 20° C. The product mixture was concentrated, dissolved in EtOAc (100 mL), washed twice with 5% aqueous sodium bisulfite (50 mL), twice with saturated aqueous NaHCO3, (50 mL) once with brine (50 mL), dried with Na2SO4 and concentrated to give 0.94 g of a clear oil. MS calculated for C10H8ClF3INO+H: 378, observed: 378.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08546378B2
Source datasetuspto-grants-2013_10
ORD IDord-2249604238754123822a8dbc9e2b27c8
Source noteuspto-grants-2013_10