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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1432147Generated: October 27, 2026

Hydrochloric Acid → 2-(4-Isopropyl-piperazin-1-yl)-pyridin-4-ylamine

https://huagongshe.com/reaction/1432147

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN-[2-(4-Isopropyl-piperazin-1-yl)-pyridin-4-yl]-acetamideHCID 68946851—
Solvent1,4-DioxaneHCID 31275—
Product2-(4-Isopropyl-piperazin-1-yl)-pyridin-4-ylamineHCID 6170847057%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 2.1 g (8 mmol) N-[2-(4-isopropyl-piperazin-1-yl)-pyridin-4-yl]-acetamide and 10.5 ml 4N HCl in 25 ml dioxane was heated to 100° C. for 2 h. After evaporation of all volatiles the residue was treated with water and NaHCO3 aq. sat. and extracted with DCM. The combined organic layers were washed with NaCl aq. sat., dried with MgSO4 and evaporated. The residue was triturated with DCM and dried to yield 1 g (57%) of the title compounds as white solid. MS: (m/e): 221.3 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07612076B2
Source datasetuspto-grants-2009_11
ORD IDord-47ac73e59fd341cbbfed0b9394cc4976
Source noteuspto-grants-2009_11