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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1831259Generated: November 1, 2026

1-Methylpiperazine → HCID 69517728, compound

https://huagongshe.com/reaction/1831259

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
Reactant4-Chlorophenyl chloroformateHCID 139059—
ReactantPotassium BromideHCID 253877—
SolventWaterHCID 962—
ProductHCID 69517728HCID 69517728—

Reaction Steps

The hydrochloride of the title compound was prepared from 4-chlorophenyl chloroformate and 1-methylpiperazine, yield 81%. White crystals, m.p. 237–240° C.; 1H NMR (DMSO-d6): δ 11.67 (br s, 1H), 7.50, 7.45, 7.24, 7.20 (AB-system, d=7.47 and 7.22; J=8.84 Hz, 4H), 4.40–3.91 (br, 2H, 3.77–2.92 (br m, 6H+water), 2.77 (s, 3H); IR (KBr): ν 1717 (C═O) cm−1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07067517B2
Source datasetuspto-grants-2006_06
ORD IDord-5ac645d1081d4799b0328995fc0a2433
Source noteuspto-grants-2006_06