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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 454338Generated: October 30, 2026

Triethylamine → HCID 178516733, compound

https://huagongshe.com/reaction/454338

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantTri-o-tolylphosphineHCID 80271—
Reactant5-bromo-2-(1-(tetrahydro-2H-pyran-2-yl)-1H-1,2,4-triazol-3-yl)pyridineHCID 58298315—
Reactant6-(6-(1-(Tetrahydro-2H-pyran-2-yl)-1H-1,2,4-triazol-3-yl)pyridin-3-yl)-4-(tetrahydro-2H-pyran-4-yl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-oneHCID 66606725—
Reactant4-(tetrahydro-2H-pyran-4-yl)-6-(trimethylstannyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-oneHCID 66607099—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
SolventDimethylformamideHCID 6228—
ProductHCID 178516733HCID 17851673339%

Reaction Conditions

Temperature95 °C

Reaction Steps

6-(6-(1-(Tetrahydro-2H-pyran-2-yl)-1H-1,2,4-triazol-3-yl)pyridin-3-yl)-4-(tetrahydro-2H-pyran-4-yl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one. A mixture of 4-(tetrahydro-2H-pyran-4-yl)-6-(trimethylstannyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one (1 equiv), 5-bromo-2-(1-(tetrahydro-2H-pyran-2-yl)-1H-1,2,4-triazol-3-yl)pyridine (1.2 equiv), tris(dibenzylideneacetone)dipalladium (0.1 equiv), tri-o-tolylphosphine (0.2 equiv), triethylamine (3 equiv) and N,N-dimethylformamide was heated at 95° C. for 3 h under nitrogen. Concentration and chromatography purification give the desired product in 39% yield. MS (ESI) m/z 463.1 [M+1]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08492381B2
Source datasetuspto-grants-2013_07
ORD IDord-1cb99ebc4b4f4ebb806256996bf33a61
Source noteuspto-grants-2013_07