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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1357637Generated: November 1, 2026

Piperazine → HCID 18186929, compound

https://huagongshe.com/reaction/1357637

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
ReactantPotassium CarbonateHCID 11430—
Reactant[5-(4-Chlorophenyl)-2-methylfuran-3-yl]methanolHCID 7245332—
ReactantHCID 18186841HCID 18186841—
ProductHCID 18186929HCID 18186929—

Reaction Steps

The title compound was prepared according to the procedure of example 50, step 2, starting from 2-chloro-6-[5-(4-chlorophenyl)-2-methylfuran-3-ylmethoxy]pyrazine [3.14 g, 9.39 mmol; obtained according to the procedure of example 50, step 1, starting from 5-(4-chlorophenyl)-3-hydroxymethyl-2-methylfuran], piperazine (2.47 g, 28.6 mmol) and K2CO3 (1.36 g, 9.86 mmol) with the exception that the final filtration through alumina was omitted. The yield of the of the title compound was 2.11 g (58%) which was obtained as a beige colored solid. Purity 100% (HPLC). MS m/z 384 (M)+. HRMS m/z calcd for C20H21ClN4O2 (M)+ 384.1353, found 384.1357.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06593330B2
Source datasetuspto-grants-2003_07
ORD IDord-e6f35c6d07e24413aefabc6bfbab6242
Source noteuspto-grants-2003_07