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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1916118Generated: November 3, 2026

Ethanol → ((S)-1-methanesulfonyl-piperidin-3-yl)-{5-[5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl]-pyrimidin-4-yl}-amine

https://huagongshe.com/reaction/1916118

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantWaterHCID 962—
Reactant((S)-1-methanesulfonyl-piperidin-3-yl)-{2-methylsulfanyl-5-[5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl]-pyrimidin-4-yl}-amineHCID 69812827—
CatalystNickelHCID 935—
Solvent1,4-DioxaneHCID 31275—
Product((S)-1-methanesulfonyl-piperidin-3-yl)-{5-[5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl]-pyrimidin-4-yl}-amineHCID 6981192521.8%

Reaction Steps

((S)-1-methanesulfonyl-piperidin-3-yl)-{2-methylsulfanyl-5-[5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl]-pyrimidin-4-yl}-amine (400 mg, 0.728 mmol) was dissolved in dioxane (10 ml), ethanol (2 ml) and water (2 ml) and treated with 2 g of Raney Nickel (2000). This was refluxed for 16 hours. The reaction was filtered, evaporated and purified by silica gel chromatography (5% methanol/methylene chloride to give ((S)-1-methanesulfonyl-piperidin-3-yl)-{5-[5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl]-pyrimidin-4-yl}-amine (˜80 mg). MS (ES+): 504.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08618103B2
Source datasetuspto-grants-2013_12
ORD IDord-7c12f3862c7148e09f26c45bca9119fe
Source noteuspto-grants-2013_12