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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 239109Generated: October 30, 2026

Hydrochloric Acid → 2-((1-Benzyl-piperidin-4-ylamino)-methyl)-phenyl-ammonium dihydrochloride

https://huagongshe.com/reaction/239109

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDimethylformamideHCID 6228—
ReactantStannous chloride dihydrateHCID 61436—
Reactant1-benzyl-N-[(2-nitrophenyl)methyl]piperidin-4-amineHCID 4848762—
SolventEthanolHCID 702—
Product2-((1-Benzyl-piperidin-4-ylamino)-methyl)-phenyl-ammonium dihydrochlorideHCID 86686486—

Reaction Steps

1 g tin (II) chloride-dihydrate was added to 290 mg (1-benzyl-piperidin-4-yl)-(2-nitro-benzyl)-amine in 18 mL ethanol. The reaction was refluxed for 15 min. DMF was added until the reaction was diluted. Then, 5 mL 10 M HCl in ethanol was added, the solvent was removed, 8 mL acetone was added and the mixture was stirred at RT. The precipitate was filtered to give 550 mg of the desired product. Rf: 0.35 (dichlormethane 9: methanol 1: ammonia 0.1), (M+H)+: 296

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642774B2
Source datasetuspto-grants-2014_02
ORD IDord-519a4f876a9b40c0a4e4884e2cf34328
Source noteuspto-grants-2014_02