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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2181899Generated: October 25, 2026

Potassium Carbonate → 3-Fluoro-5-[(2,4-dimethoxyphenyl)sulfonyl]-6-methyl-5,6-dihydrophenanthridin

https://huagongshe.com/reaction/2181899

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantN-[1-(2',4'-Difluoro-1,1'-biphenyl-2-yl)ethyl]-2,4-dimethoxybenzenesulfonamideHCID 22482306—
SolventDimethylformamideHCID 6228—
Product3-Fluoro-5-[(2,4-dimethoxyphenyl)sulfonyl]-6-methyl-5,6-dihydrophenanthridinHCID 22482360—

Reaction Steps

The title compound was prepared from N-[1-(2′,4′-difluoro-1,1′-biphenyl-2-yl)ethyl]-2,4-dimethoxybenzenesulfonamide (550 mg, 1.27 mmol), anhydrous N,N-dimethylformamide (1 mL), and potassium carbonate (351 mg, 2.5 mmol) according to the procedure and in the same manner as described in Example 105, step d, and the product (525 mg, 99%) isolated as a white solid;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06894061B2
Source datasetuspto-grants-2005_05
ORD IDord-628747e72cd746ea9b7aeca032db791a
Source noteuspto-grants-2005_05