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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 407973Generated: October 27, 2026

Methyl iodide → (S)-benzyl 1'-(5-ethylpyrimidin-2-yl)-2-oxo-1,4'-bipiperidin-3-yl(methyl)carbamate

https://huagongshe.com/reaction/407973

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
ReactantSodium hydrideHCID 24758—
Reactant(S)-benzyl 1'-(5-ethylpyrimidin-2-yl)-2-oxo-1,4'-bipiperidin-3-ylcarbamateHCID 86688094—
SolventDimethylformamideHCID 6228—
Product(S)-benzyl 1'-(5-ethylpyrimidin-2-yl)-2-oxo-1,4'-bipiperidin-3-yl(methyl)carbamateHCID 8668811139%

Reaction Steps

(S)-benzyl 1′-(5-ethylpyrimidin-2-yl)-2-oxo-1,4′-bipiperidin-3-ylcarbamate (Example 58, Steps A-B; 0.250 g, 0.571 mmol) was dissolved in DMF (5 mL). 60% NaH (0.0274 g, 0.686 mmol) was added and stirred for 5 minutes. Iodomethane (0.071 mL, 1.1 mmol) was added and stirred at ambient temperature overnight. The reaction was concentrated and purified over silica gel (25-100% EtOAc in hexanes) to afford (S)-benzyl 1′-(5-ethylpyrimidin-2-yl)-2-oxo-1,4′-bipiperidin-3-yl(methyl)carbamate (100 mg, 0.22 mmol, 39% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754226B2
Source datasetuspto-grants-2014_06
ORD IDord-53b031b57863468382af6167205e9574
Source noteuspto-grants-2014_06