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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 32424Generated: October 26, 2026

Formaldehyde → 3-Chloro-N-[1-(2-chlorophenyl)-2-(1-methylpiperidin-4-yl-methoxy)ethyl]-1H-indole-6-carboxamide

https://huagongshe.com/reaction/32424

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
Reactant3-chloro-N-[1-(2-chlorophenyl)-2-(piperidin-4-ylmethoxy)ethyl]-1H-indole-6-carboxamideHCID 69307888—
Product3-Chloro-N-[1-(2-chlorophenyl)-2-(1-methylpiperidin-4-yl-methoxy)ethyl]-1H-indole-6-carboxamideHCID 44444094—

Reaction Steps

Using alkylation method B, 3-chloro-N-[1-(2-chloro-phenyl)-2-(piperidin-4-ylmethoxy)ethyl]-1H-indole-6-carboxamide (300 mg, 0.67 mmol) and paraformaldehyde (201 mg, 6.7 mmol) afforded, after purification (SiO2: 10:10:1 hexane:EtOAc:isopropylamine), 175 mg (57%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07427632B2
Source datasetuspto-grants-2008_09
ORD IDord-d31465e065a0431c8898384061e601d0
Source noteuspto-grants-2008_09