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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 452040Generated: October 25, 2026

Potassium Carbonate → 5-(3-amino-1,2,4-triazin-6-yl)-N-methylpyridine-2-carboxamide

https://huagongshe.com/reaction/452040

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant6-Bromo-1,2,4-triazin-3-amineHCID 15332564—
ReactantN-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinamideHCID 44119560—
CatalystHCID 178418397HCID 178418397—
SolventEthanolHCID 702—
SolventWaterHCID 962—
SolventTolueneHCID 1140—
Product5-(3-amino-1,2,4-triazin-6-yl)-N-methylpyridine-2-carboxamideHCID 5751653345.7%

Reaction Conditions

Temperature120 °C

Reaction Steps

A mixture of N-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2-carboxamide (200 mg, 0.80 mmol) (VWR, Cat. #200068-640), 6-bromo-1,2,4-triazin-3-amine (130 mg, 0.76 mmol, Example 2, Step 1), tetrakis(triphenylphosphine)palladium(0) (40 mg, 0.04 mmol) and potassium carbonate (0.32 g, 2.3 mmol) in toluene (1.3 mL), ethanol (0.66 mL) and water (0.66 mL) was heated at 120° C. for 1.5 h. The mixture was filtered and washed with methanol. The filtrate was purified by RP-HPLC (pH=10) to afford the desired product (80 mg, 45.54%). LCMS (M+H)+: m/z=231.4; LCMS (M+H+H2O)+: m/z=249.3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08487096B2
Source datasetuspto-grants-2013_07
ORD IDord-e5414436b6254139a962e9e0923cb320
Source noteuspto-grants-2013_07