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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 425903Generated: October 30, 2026

Water → HCID 21110936, compound

https://huagongshe.com/reaction/425903

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactanto-Xylyl bromideHCID 6992—
ReactantCesium carbonateHCID 10796—
ReactantHCID 58885805HCID 58885805—
SolventDimethylformamideHCID 6228—
ProductHCID 21110936HCID 2111093647.5%

Reaction Steps

To a mixture of (2R,6S)-4-[4-(6-Amino-5-hydroxy-pyridin-3-yl)-benzoyl]-2,6-dimethyl-piperazine-1-carboxylic acid tert-butyl ester (100 mg, 0.23 mmol) and 1-bromomethyl-2-methyl-benzene (47 mg, 0.25 mmol) in DMF (2 mL) was added 2 M Cs2CO3 (0.35 mL, 0.7 mmol) followed by water (0.5 mL). The mixture was stirred at room temperature overnight. LCMS showed the reaction was completed, DMF was removed, followed by addition of 4 N HCl in dioxane (2 mL) and the reaction was stirred at room temperature for 3 hr. The volatiles were removed followed by addition of methanol. This solution was purified by prep-HPLC to afford {4-[6-Amino-5-(2-methyl-benzyloxy)-pyridin-3-yl]-phenyl}-(3,5-dimethyl-piperazin-1-yl)-methanone (47 mg, yield 46.6%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08106197B2
Source datasetuspto-grants-2012_01
ORD IDord-4dd97b7ffae4474ea0f76af7779e135a
Source noteuspto-grants-2012_01