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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1617389Generated: November 2, 2026

Triethylamine → 2-[1-[(3R,4S)-3-fluoro-1-[3-fluoro-2-(trifluoromethyl)pyridine-4-carbonyl]piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrazol-1-yl]azetidin-3-yl]acetonitrile

https://huagongshe.com/reaction/1617389

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantBenzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 151348—
Reactant3-Fluoro-2-(trifluoromethyl)isonicotinic acidHCID 26596489—
Reactant{1-[cis-3-Fluoropiperidin-4-yl]-3-[4-(7-{[2-(trimethylsilyl)ethoxy]methyl}-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrileHCID 67390728—
SolventDimethylformamideHCID 6228—
Product2-[1-[(3R,4S)-3-fluoro-1-[3-fluoro-2-(trifluoromethyl)pyridine-4-carbonyl]piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrazol-1-yl]azetidin-3-yl]acetonitrileHCID 6739156321.9%

Reaction Steps

Into a 20 mL vial were added {1-[cis-3-fluoropiperidin-4-yl]-3-[4-(7-{[2-(trimethylsilyl)ethoxy]methyl}-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile (200 mg, 0.4 mmol) in DMF (3 mL), 3-fluoro-2-(trifluoromethyl)isonicotinic acid (99 mg, 0.47 mmol), benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate (225 mg, 0.509 mmol) and triethylamine (0.14 mL, 1.0 mmol). The mixture was stirred at room temperature overnight and purified with prep-LCMS to give 50 mg of the desired compound as a white solid. LC/MS found: 702.2 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08765734B2
Source datasetuspto-grants-2014_07
ORD IDord-8de9c53841904eb6b2ea9bec49bc89c5
Source noteuspto-grants-2014_07