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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1631374Generated: November 2, 2026

Diisopropylethylamine → HCID 66887009, compound

https://huagongshe.com/reaction/1631374

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant2-Amino-5-fluoropyridineHCID 2737701—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
ReactantHCID 66847898HCID 66847898—
SolventDimethylformamideHCID 6228—
ProductHCID 66887009HCID 6688700978.1%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a DMF (0.25 mL) solution of (R)-5-(2-(5-fluoropyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (Preparation I, 25 mg, 0.076 mmol) and HATU (35 mg, 0.092 mmol) was added 5-fluoropyridin-2-amine (10 mg, 0.092 mmol), followed by drop-wise addition of DIEA (0.040 mL, 0.23 mmol) at ambient temperature. The reaction was heated at 70° C. overnight, cooled, and directly purified by reverse-phase chromatography (5 to 66% acetonitrile/water) to yield the final product as white solid (25 mg, 78%). LCMS (apci) m/z=422.0 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08791123B2
Source datasetuspto-grants-2014_07
ORD IDord-117166a977e64289b75990e5a8ee2dc2
Source noteuspto-grants-2014_07