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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1757061Generated: October 28, 2026

Potassium Carbonate → 2-{4-[4-(4,5-Dichloro-2-methylimidazol-1-yl)butyl]-1-piperazinyl}-5-benzyloxypyrimidine

https://huagongshe.com/reaction/1757061

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant4,5-Dichloro-2-methyl-1H-imidazoleHCID 312390—
Reactant8-(5-Benzyloxy-2-pyrimidinyl)-8-aza-5-azoniaspiro [4.5]decane bromideHCID 19389783—
SolventDimethylformamideHCID 6228—
Product2-{4-[4-(4,5-Dichloro-2-methylimidazol-1-yl)butyl]-1-piperazinyl}-5-benzyloxypyrimidineHCID 1938977769%

Reaction Steps

A mixture of 3.59 g (8.85 mmol) of 8-(5-benzyloxy-2-pyrimidinyl)-8-aza-5-azoniaspiro [4.5]decane bromide, 1.47 g (9.73 mmol) of 4,5-dichloro-2-methylimidazole and 4.89 g (35.41mmol) of potassium carbonate in 72 ml of dimethylformamide is refluxed for 12 hours and filtered hot. The dimethylformamide is evaporated and the product is chromatographed on silica gel, yielding 2.90 g (69%) of 2-{4-[4-(4,5-dichloro-2-methylimidazol-1-yl)butyl]-1-piperazinyl}-5-benzyloxypyrimidine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05444059
Source datasetuspto-grants-1995_08
ORD IDord-23519f1e3d80464490782dbae46a853e
Source noteuspto-grants-1995_08