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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 32400Generated: October 25, 2026

3-Chloro-1H-indole-6-carboxylic acid → 4-{2-[(3-Chloro-1H-indole-6-carbonyl)amino]-2-(2-chloro-phenyl)ethoxymethyl}piperidine-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/32400

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chloro-1H-indole-6-carboxylic acidHCID 15543042—
Reactant4-[2-Amino-2-(2-chlorophenyl)-ethoxymethyl]piperidine-1-carboxylic acid tert-butyl esterHCID 69309645—
Product4-{2-[(3-Chloro-1H-indole-6-carbonyl)amino]-2-(2-chloro-phenyl)ethoxymethyl}piperidine-1-carboxylic acid tert-butyl esterHCID 69310511—

Reaction Steps

Using coupling method A, 4-[2-amino-2-(2-chlorophenyl)-ethoxymethyl]piperidine-1-carboxylic acid tert-butyl ester (7.5 g, 20 mmol) and 3-chloroindole-6-carboxylic acid (3.9 g, 20 mmol) afforded, after purification (SiO2: 33% to 50% EtOAc in hexane), 8 g (73%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07427632B2
Source datasetuspto-grants-2008_09
ORD IDord-ab127e56ed5b48888f36069c31f22f7e
Source noteuspto-grants-2008_09