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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 984201Generated: October 29, 2026

4-Chloromethyl-2-(3,4,5-trimethoxyphenyl) pyridine → 4-[N-methyl-N-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]amino]-1-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]piperidine tetrahydrochloride

https://huagongshe.com/reaction/984201

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chloromethyl-2-(3,4,5-trimethoxyphenyl) pyridineHCID 12019237—
Reactant4-(Methylamino)-1-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]piperidineHCID 22557850—
Product4-[N-methyl-N-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]amino]-1-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]piperidine tetrahydrochlorideHCID 22557939—

Reaction Steps

4-(methylamino)-1-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]piperidine (2.67 g) and 4-chloromethyl-2-(3,4,5-trimethoxyphenyl)pyridine (2.12 g) were condensed in the same manner as described in Example 2. The title compound was obtained after converting a free base to a tetrahydrochloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06867221B2
Source datasetuspto-grants-2005_03
ORD IDord-6dae426b36824bcfb8241399aa03cba3
Source noteuspto-grants-2005_03