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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1192323Generated: November 2, 2026

Benzyl Alcohol → HCID 67538861, compound

https://huagongshe.com/reaction/1192323

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl AlcoholHCID 244—
Reactant1,10-PhenanthrolineHCID 1318—
ReactantCesium carbonateHCID 10796—
ReactantHCID 67538830HCID 67538830—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
SolventTolueneHCID 1140—
ProductHCID 67538861HCID 6753886186.4%

Reaction Conditions

Temperature110 °C

Reaction Steps

A sealed tube charged with 4-(5-Iodo-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester (780 mg, 2.00 mmol), CuI (38 mg, 0.20 mmol), 1,10-phenathroline (72 mg, 0.4 mmol), Cs2CO3 (912 mg, 2.8 mmol), benzyl alcohol (0.62 mL, 6.0 mmol) and toluene (2 mL) was heated at 110° C. for 40 hours. The resulting suspension was cooled to room temperature and filtered through a silica gel pad, eluting with EtOAc. Evaporation of the solvent followed by flash chromatography on silica gel (10:1 hexanes/EtOAc) provided 4-(5-benzyloxypyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester (0.640 g, 86%) as a white solid. 1H NMR (CDCl3, 400 MHz) δ 8.36 (s, 1H), 7.99 (s, 1H), 7.39 (m, 5H), 5.08 (s, 2H), 3.73 (m, 4H), 3.48 (m, 4H), 1.47 (s, 9H). LCMS (APCI+) m/z 371 [M+H]+; Rt=2.52 minutes.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08680114B2
Source datasetuspto-grants-2014_03
ORD IDord-2fb6781780ae4c5f8fe90d96d58b87d2
Source noteuspto-grants-2014_03