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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2358555Generated: November 1, 2026

Phosphorus oxychloride → Ethyl 4-chloro-7-methyl-1,8-naphthyridine-3-carboxylate

https://huagongshe.com/reaction/2358555

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantEthyl 7-methyl-4-oxo-1,8-naphthyridine-3-carboxylateHCID 5373687—
ProductEthyl 4-chloro-7-methyl-1,8-naphthyridine-3-carboxylateHCID 1056267257%

Reaction Steps

The product from Example 1b (1.0 g, 4.30 mmol) was reacted with 12 mL of POCl3 for 4 h following the procedure from Example 1d giving the title compound as a brownish-pink solid (619 mg, 57%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07763731B2
Source datasetuspto-grants-2010_07
ORD IDord-82c919db49a4466dab28e83fcedb7654
Source noteuspto-grants-2010_07