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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2196717Generated: November 2, 2026

1-Fluoro-2,6-dichloropyridinium Triflate → HCID 67155968, compound

https://huagongshe.com/reaction/2196717

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Fluoro-2,6-dichloropyridinium TriflateHCID 2737311—
Reactant2,6-difluoro-3-(propylsulfonamido)-N-(1H-pyrrolo[2,3-b]pyridin-5-yl)benzamideHCID 44199408—
SolventAcetonitrileHCID 6342—
SolventEthyl AcetateHCID 8857—
ProductHCID 67155968HCID 6715596826%

Reaction Conditions

Temperature60 °C

Reaction Steps

1-Fluoro-2,6-dichloropyridinium triflate (31 mg, 0.1 mmol) was added to 2,6-difluoro-N-(1H-pyrrolo[2,3-b]pyridin-5-yl)-3-(propylsulfonamido)benzamide (39 mg, 0.1 mmol) in MeCN (4 mL). The mixture was heated at 60° C. for 18 hours and then cooled to room temperature. The mixture was then diluted with EtOAc, washed with brine, dried over MgSO4 and concentrated. The crude product was purified using silica gel chromatography (ISCO) using 5% MeOH in CH2Cl2 as eluent, and subsequently reverse phase HPLC to give 2,6-difluoro-N-(3-fluoro-1H-pyrrolo[2,3-b]pyridin-5-yl)-3-(propylsulfonamido)benzamide (10.7 mg, 26%). 1H NMR (400 MHz, d6-DMSO) δ 11.51 (s, 3H), 10.97 (s, 3H), 9.77 (s, 3H), 8.41 (s, 6H), 7.70-7.38 (m, 6H), 7.26 (t, J=8.5, 3H), 3.45-2.96 (m, 32H), 2.50 (s, 57H), 2.36-2.09 (m, 1H), 1.77 (dd, J=7.5, 15.1, 6H), 1.00 (t, J=7.4, 9H); m/z (LC-MS) M+1=413.4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08338452B2
Source datasetuspto-grants-2012_12
ORD IDord-bee7837bd4484fb0a10218be4f50b4f3
Source noteuspto-grants-2012_12