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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 325712Generated: October 30, 2026

Piperidine → Lamtidine

https://huagongshe.com/reaction/325712

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
Reactant1-Methyl-N5-[3-[3-(bromomethyl)phenoxy]propyl]-1H-1,2,4-triazole-3,5-diamine, hydrobromideHCID 131712688—
SolventEthanolHCID 702—
ProductLamtidineHCID 7198889.7%

Reaction Steps

1-Methyl-N5 -[3-[3-(bromomethyl)phenoxy]propyl]-1H-1,2,4-triazole-3,5-diamine, hydrobromide (0.3 g) was dissolved in ethanol (5 ml) and treated with piperidine (0.3 g) at room temperature. The solvent was evaporated in vacuo and the residue triturated with ethyl acetate to afford the title compound as a white crystalline solid (0.22 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04442110
Source datasetuspto-grants-1984_04
ORD IDord-a7616d6e24b14b9b8b0c8804193df78d
Source noteuspto-grants-1984_04