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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 43728Generated: October 26, 2026

Sodium Carbonate → Ethyl cis(+/-)-2-[4-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-ethoxypiperidin-1-yl)-2-oxopyridin-1(2H)-yl]-4-methyl-1,3-thiazole-5-carboxylate

https://huagongshe.com/reaction/43728

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
ReactantEthyl 2-(4-chloro-2-oxopyridin-1(2H)-yl)-4-methyl-1,3-thiazole-5-carboxylateHCID 67548707—
Reactantcis(+/-)-4-Chloro-N-(3-ethoxypiperidin-4-yl)-5-ethyl-1H-imidazole-2-carboxamide hydrochlorideHCID 86648665—
SolventDimethyl SulfoxideHCID 679—
ProductEthyl cis(+/-)-2-[4-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-ethoxypiperidin-1-yl)-2-oxopyridin-1(2H)-yl]-4-methyl-1,3-thiazole-5-carboxylateHCID 866486776.5%

Reaction Steps

cis(±)-4-Chloro-N-(3-ethoxypiperidin-4-yl)-5-ethyl-1H-imidazole-2-carboxamide hydrochloride obtained in Example (131a) (100 mg, 0.297 mmol), ethyl 2-(4-chloro-2-oxopyridin-1(2H)-yl)-4-methyl-1,3-thiazole-5-carboxylate obtained in Example (140a) (106 mg, 0.355 mmol) and sodium carbonate (157 mg, 1.48 mmol) were suspended in DMSO (1 mL). The suspension was subjected to same operation as in Example (131b) to obtain 10.8 mg of the title compound as a pale yellow solid (6%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08536197B2
Source datasetuspto-grants-2013_09
ORD IDord-e63b17a478fb425e9d46e4b98a242d68
Source noteuspto-grants-2013_09