Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 32451Generated: October 30, 2026

Formaldehyde → 3-Chloro-N-[(R)-1-phenyl-2-[2-(1-methylpiperidin-4-yl)-ethoxy]ethyl]-1H-indole-6-carboxamide hydrochloride

https://huagongshe.com/reaction/32451

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantHCID 69309604HCID 69309604—
Product3-Chloro-N-[(R)-1-phenyl-2-[2-(1-methylpiperidin-4-yl)-ethoxy]ethyl]-1H-indole-6-carboxamide hydrochlorideHCID 69313184137.6%

Reaction Steps

Using alkylation method B, 3-chloro-N-[(R)-1-phenyl-2-[2-(piperidin-4-yl)ethoxy]ethyl]-1H-indole-6-carboxamide hydrochloride (300 mg, 0.65 mmol) and paraformaldehyde (195 mg, 6.5 mmol) afforded 213 mg (75%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07427632B2
Source datasetuspto-grants-2008_09
ORD IDord-50fd19aeef6c4b42a91184c0a3782547
Source noteuspto-grants-2008_09