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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1755254Generated: November 4, 2026

Potassium Phosphate, Tribasic → HCID 75204434, compound

https://huagongshe.com/reaction/1755254

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium Phosphate, TribasicHCID 62657—
ReactantTricyclohexylphosphineHCID 75806—
Reactant2-Cyclopropyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneHCID 2758015—
ReactantHCID 75204202HCID 75204202—
Catalystpalladium(II) acetateHCID 167845—
SolventWaterHCID 962—
SolventTolueneHCID 1140—
ProductHCID 75204434HCID 752044344%

Reaction Conditions

Temperature120 °C

Reaction Steps

To a solution of (S)-5-bromo-N-(1-(pyrrolo[1,2-a]pyrazin-1-yl)pyrrolidin-3-yl)pyrimidine-2-carboxamide (0.25 g, 0.65 mmol, 1 eq) in 2 mL of toluene was added 2-cyclopropyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (0.16 g, 1.86 mmol, 2.8 eq), followed by PCy3 (0.033 g, 0.11 mmol, 0.2 eq), K3PO4 (0.48 g, 2.3 mmol, 3.5 eq) in 0.1 mL of H2O and Pd(OAc)2 (0.013 g, 0.06 mmol, 0.1 eq). After heating for 1 h at 120° C. the mixture was filtered and purified by HPLC to afford (S)-5-cyclopropyl-N-(1-(pyrrolo[1,2-a]pyrazin-1-yl)pyrrolidin-3-yl)pyrimidine-2-carboxamide (0.009 g, 0.026 mmol, 4%). 1H NMR (400 MHz, CD3OD) δ 8.64 (s, 2 H), 7.76 (m, 1 H), 7.71 (d, J=5.4 Hz, 1 H), 7.54 (s, 1 H), 6.92 (dd, J=2.6, 4.4 Hz, 1 H), 6.84 (d, J=5.5 Hz, 1 H), 5.00-3.60 (br, 5 H), 2.65-2.30 (br, 2 H), 2.07-2.02 (m, 1 H), 1.23-1.18 (m, 2 H), 0.96-0.91 (m, 2 H); MS: (ES) m/z calculated for C19H20N6O [M+H]+ 349.2, found 349.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09169261B2
Source datasetuspto-grants-2015_10
ORD IDord-cf7286f3f3934c868658461fd3cba8c0
Source noteuspto-grants-2015_10