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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1478563Generated: November 1, 2026

Sodium Carbonate → (S)-2-((6-(1-methyl-1H-pyrazol-4-yl)-1H-[1,2,3]triazolo[4,5-b]pyrazin-1-yl)methyl)-4-(5-(4-(2-morpholinoethoxy)phenyl)pyrimidin-2-yl)morpholine

https://huagongshe.com/reaction/1478563

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
Reactant4-(2-Morpholin-4-ylethoxy)benzeneboronic acid, pinacol esterHCID 4625910—
ReactantHCID 73507291HCID 73507291—
CatalystTetrakis(triphenylphosphine)palladiumHCID 11979704—
Solvent1,4-DioxaneHCID 31275—
Product(S)-2-((6-(1-methyl-1H-pyrazol-4-yl)-1H-[1,2,3]triazolo[4,5-b]pyrazin-1-yl)methyl)-4-(5-(4-(2-morpholinoethoxy)phenyl)pyrimidin-2-yl)morpholineHCID 7350450034.3%

Reaction Conditions

Temperature105 °C

Reaction Steps

(S)-4-(5-bromopyrimidin-2-yl)-2-((6-(1-methyl-1H-pyrazol-4-yl)-1H-[1,2,3]triazolo[4,5-b]pyrazin-1-yl)methyl)morpholine 15 mg (0.03 mmol) was dissolved in dioxane 1 ml, and 4-(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)phenoxy)ethyl)morpholine 16.5 mg (0.05 mmol), 1M Na2CO3 98 μl (0.09 mmol), and Pd(pph3)4 2 mg (0.001 mmol) were added and then charged with nitrogen, followed by stirring at 105° C. for 18 hours. After the reaction, the reaction mixture was extracted with EA and brine, and the organic layer was dried over MgSO4. Column chromatography (methylene chloride methanol=20:1) gave a product 6 mg (31%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09403831B2
Source datasetuspto-grants-2016_08
ORD IDord-68da80ab8f1f48d2af68abab842855ed
Source noteuspto-grants-2016_08