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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1951412Generated: November 4, 2026

2-Thiophenesulfonyl chloride → 3-Acetyl-2-methyl-4-(2-methyl-4-oxo-4H-chromen-8-yl)-1,4-dihydro-1,6-naphthyridin-5-yl thiophene-2-sulfonate

https://huagongshe.com/reaction/1951412

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Thiophenesulfonyl chlorideHCID 85518—
Reactant3-Acetyl-2-methyl-4-(2-methyl-4-oxo-4H-chromen-8-yl)-4,6-dihydro-1,6-naphthyridin-5(1H)-oneHCID 59603009—
Product3-Acetyl-2-methyl-4-(2-methyl-4-oxo-4H-chromen-8-yl)-1,4-dihydro-1,6-naphthyridin-5-yl thiophene-2-sulfonateHCID 24798425—

Reaction Steps

The title compound is prepared in analogy to example 10 from 50 mg (0.13 mmol) of 3-acetyl-2-methyl-4-(2-methyl-4-oxo-4H-chromen-8-yl)-4,6-dihydro-1,6-naphthyridin-5(1H)-one and 28 mg (0.15 mmol) of thiophene-2-sulfonyl chloride. 57 mg (81% of theory) of the product are obtained as a pale yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08404709B2
Source datasetuspto-grants-2013_03
ORD IDord-88a8e856cf7e485f96ace9d4875ba3b4
Source noteuspto-grants-2013_03