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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2093093Generated: November 2, 2026

Triethylamine → 3,4-dimethoxyphenyl 2-[(2-aminophenyl)carbamoyl]-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate

https://huagongshe.com/reaction/2093093

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantCarbonic acid 3,4-dimethoxy-phenyl ester 4-nitro-phenyl esterHCID 44203072—
ReactantN-(2-aminophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine-2-carboxamideHCID 58117019—
SolventDimethylformamideHCID 6228—
Product3,4-dimethoxyphenyl 2-[(2-aminophenyl)carbamoyl]-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylateHCID 25230112—

Reaction Conditions

Temperature50 °C

Reaction Steps

To a solution of N-(2-aminophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine-2-carboxamide (1.0 eq) obtained in step VIII of example 203 in DMF was treated with Carbonic acid 3,4-dimethoxy-phenyl ester 4-nitro-phenyl ester (1.0 eq) in presence of base like Et3N and stirred at 50° C. for 8 h Reaction was then quenched with water and extracted with ethyl acetate and the organic layer was separated, dried over anhydrous Na2SO4 and concentrated under reduced pressure to afford crude product, which, on purification by column chromatography afforded the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08440830B2
Source datasetuspto-grants-2013_05
ORD IDord-f386ded5e28b4d31962997c065e16f6a
Source noteuspto-grants-2013_05