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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1354618Generated: November 1, 2026

Water → (S)-4-(1-Hydroxymethyl-2-phenyl-ethylamino)-3-(4-methyl-6-piperazin-1-yl-1H-benzimidazol-2-yl)-1H-pyridin-2-one

https://huagongshe.com/reaction/1354618

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant(S)-3-[6-(4-Acetyl-piperazin-1-yl)-4-methyl-1H-benzimidazol-2-yl]-4-(1-hydroxymethyl-2-phenyl-ethylamino)-1H-pyridin-2-oneHCID 136191260—
SolventHydrochloric AcidHCID 313—
Solvent1,4-DioxaneHCID 31275—
Product(S)-4-(1-Hydroxymethyl-2-phenyl-ethylamino)-3-(4-methyl-6-piperazin-1-yl-1H-benzimidazol-2-yl)-1H-pyridin-2-oneHCID 136191205100%

Reaction Conditions

Temperature80 °C

Reaction Steps

To a solution of (S)-3-[6-(4-acetyl-piperazin-1-yl)-4-methyl-1H-benzimidazol-2-yl]-4-(1-hydroxymethyl-2-phenyl-ethylamino)-1H-pyridin-2-one (900 mg, 18 mmol) in 4 M HCl in dioxane (10 mL) was added water (1 mL). The reaction mixture was heated to 80° C. for 14 h and cooled to room temperature. Concentration with high vacuum gave the title compound (0.83 g, 100%) which was used for the next step without purification. LCMS (M+H)+ m/z 459 (t=1.13 min.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07223757B2
Source datasetuspto-grants-2007_05
ORD IDord-3d10c7c903ba4fee94621275d6eb1805
Source noteuspto-grants-2007_05