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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2406016Generated: October 30, 2026

Hydrochloric Acid → HCID 45139442, compound

https://huagongshe.com/reaction/2406016

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
ReactantHCID 66873110HCID 66873110—
SolventMethanolHCID 887—
ProductHCID 45139442HCID 45139442—

Reaction Steps

A 4M solution of HCl in dioxane (0.3 ml, 1.2 mmol) was added dropwise to a solution of 4-tert-butoxycarbonylamino-4-[(4-chloro-benzoylamino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester (5.8 mg, 0.012 mmol) in methanol (0.5 mL). The solution was stirred at room temperature for 17 hours. The solvents were concentrated to give N-(4-amino-piperidin-4-ylmethyl)-4-chloro-benzamide dihydrochloride (6.1 mg, quantitative) that was used in the next step without further purification. 1H NMR (CD3OD) δ 2.23-2.30 (4H, m), 3.46-3.61 (4H, m), 3.89 (2H, s), 7.58 (2H, d, J=7 Hz), 8.03 (2H, d, J=7 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08809336B2
Source datasetuspto-grants-2014_08
ORD IDord-5ff131574ec845378542355a38c5bc6d
Source noteuspto-grants-2014_08