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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 84146Generated: October 25, 2026

Chloroform → (1-Methyl-7-methoxy-2,2-dimethyl-1,2,3,4-tetrahydroquinol-4-yl-methane-sulfonyl)-piperidine-4-carboxylic acid methyl ester

https://huagongshe.com/reaction/84146

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroformHCID 6212—
ReactantMethyl isonipecotateHCID 424914—
Reactant(1-Ethyl-2,2-dimethyl-1,2-dihydroquinol-4-yl-methanesulfonyl)-piperidine-4-carboxylic acid methyl esterHCID 12138183—
Reactant(1-Methyl-7-methoxy-2,2-dimethyl-1,2,3,4-tetrahydroquinol-4-yl)-methane-sulfonic acid chlorideHCID 12138193—
SolventEthanolHCID 702—
SolventAcetonitrileHCID 6342—
Product(1-Methyl-7-methoxy-2,2-dimethyl-1,2,3,4-tetrahydroquinol-4-yl-methane-sulfonyl)-piperidine-4-carboxylic acid methyl esterHCID 1213819469%

Reaction Steps

(1-Methyl-7-methoxy-2,2-dimethyl-1,2,3,4-tetrahydroquinol-4-yl-methane-sulfonyl)-piperidine-4-carboxylic acid methyl ester (20) is prepared similarly to compound (10) from compound (19) and 4-piperidinecarboxylic acid methyl ester in dry acetonitrile. It is isolated by column chromatography on silica gel using a gradient running from chloroform to ethanol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08846924B2
Source datasetuspto-grants-2014_09
ORD IDord-63e10f8f54a940598f5f9681467ddd15
Source noteuspto-grants-2014_09