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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 481301Generated: October 26, 2026

Hydrochloric Acid → 4-[[4-(2-Tolyl)-1-piperazinyl]methyl]phenylacetic acid hydrochloride

https://huagongshe.com/reaction/481301

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTriethylamineHCID 8471—
ReactantMethyl 2-(4-(bromomethyl)phenyl)acetateHCID 11770640—
Reactant1-(o-Tolyl)piperazine HydrochlorideHCID 12227895—
Solvent1,4-DioxaneHCID 31275—
Product4-[[4-(2-Tolyl)-1-piperazinyl]methyl]phenylacetic acid hydrochlorideHCID 6768079952.7%

Reaction Steps

Using 2.2 g of methyl 4-bromomethylphenylacetate, 1.9 g of 1-(2-tolyl)piperazine hydrochloride, 2.5 ml of triethylamine, and 80 ml of dioxane, the reaction procedure of Example 2 was otherwise repeated and the reaction product was converted to the hydrochloride using 2N-hydrochloric acid and recrystallized from ethanol-ether to provide 1.7 g of the title compound melting at 249° C.-252° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05789409
Source datasetuspto-grants-1998_08
ORD IDord-43daba68db954e8791cba67c0dd6fdfe
Source noteuspto-grants-1998_08