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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 632474Generated: October 26, 2026

Water → 4-(6-amino-5-(1-isopropyl-1H-1,2,3-triazol-4-yl)pyridin-3-yl)-2-methoxybenzoic acid

https://huagongshe.com/reaction/632474

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantCesium carbonateHCID 10796—
Reactant3-Methoxy-4-(methoxycarbonyl)benzeneboronic acidHCID 17750256—
Reactant5-bromo-3-(1-isopropyl-1H-[1,2,3]triazol-4-yl)-pyridin-2-ylamineHCID 90273155—
CatalystHCID 178418397HCID 178418397—
SolventEthyl AcetateHCID 8857—
Solvent1,4-DioxaneHCID 31275—
Product4-(6-amino-5-(1-isopropyl-1H-1,2,3-triazol-4-yl)pyridin-3-yl)-2-methoxybenzoic acidHCID 9027339069.4%

Reaction Conditions

Temperature120 °C

Reaction Steps

To a solution of 5-bromo-3-(1-isopropyl-1H-[1,2,3]triazol-4-yl)-pyridin-2-ylamine (300 mg, 1.06 mmol) and (3-methoxy-4-(methoxycarbonyl)phenyl)boronic acid (245 mg, 1.16 mmol) in 1,4-dioxane (10.0 mL)/water (5.0 mL) was added Cs2CO3 (1.0 g, 3.18 mmol) at room temperature. The reaction mixture was degassed with argon for 30 min. Then Pd(PPh3)4 (61 mg, 0.05 mmol) was added and allowed to stir at 120° C. for 30 min in CEM micro wave. The reaction mixture was cooled to RT, diluted with EtOAc (50 mL) and washed with water (50 mL). The aqueous layer was neutralized with 1N HCl, extracted with DCM (2×50 mL), washed with brine solution (20 mL), dried over anhydrous Na2SO4 and solvent was evaporated under reduced pressure. The crude compound was washed with diethyl ether to afford 260 mg (yield: 69.33%) of the title compound as pale yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09321748B2
Source datasetuspto-grants-2016_04
ORD IDord-c858e98a0f474f01ae24c01ec7a10312
Source noteuspto-grants-2016_04