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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 513277Generated: October 30, 2026

Water → Ethyl 6-chloro-4-(thiophen-2-ylmethylamino)nicotinate

https://huagongshe.com/reaction/513277

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant(2-Thienylmethyl)amineHCID 34005—
ReactantDiisopropylethylamineHCID 81531—
ReactantEthyl 4,6-dichloropyridine-3-carboxylateHCID 600045—
SolventEthyl AcetateHCID 8857—
SolventN-methyl-2-pyrrolidoneHCID 13387—
ProductEthyl 6-chloro-4-(thiophen-2-ylmethylamino)nicotinateHCID 86664545100.4%

Reaction Steps

A solution of ethyl 4,6-dichloronicotinate (1.14 g, 5.18 mmol), 2-thiophenemethylamine (0.530 mL, 5.17 mmol) and DIEA (1.80 mL, 10.3 mmol) in NMP (10 mL) was stirred at 90 C for 18 h. Water and EtOAc were added. The organic phase was washed with water, then was dried over Na2SO4, concentrated in vacuo to give ethyl 6-chloro-4-(thiophen-2-ylmethylamino)nicotinate as an oil (1.54 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09102625B2
Source datasetuspto-grants-2015_08
ORD IDord-9a13fd3e07b54ce28812175e5b07b24b
Source noteuspto-grants-2015_08