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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2416866Generated: November 2, 2026

Sodium hydride → HCID 22633030, compound

https://huagongshe.com/reaction/2416866

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
ReactantBromomethylcyclopropaneHCID 81503—
ReactantHCID 15908875HCID 15908875—
SolventDimethylformamideHCID 6228—
ProductHCID 22633030HCID 2263303076.7%

Reaction Steps

A solution of 3-benzyloxy-6,7-difluoro-1H-quinazoline-2,4-dione (Example B, 1.22 g, 4 mmol) in 25 mL of DMF was added to a suspension of sodium hydride (0.19 g, 4.8 mmol) in 20 mL of DMF and stirred for 30 minutes. Bromomethylcyclopropane (0.6 mL, 6.0 mmol) was added, and the mixture was stirred at 25° C. for 18 hours. The reaction was quenched with 1 mL of water and concentrated to an oil. The residue was dissolved in chloroform, washed with water, brine, and dried over magnesium sulfate. The solution was concentrated to give 1.10 g of the title compound as a solid, mp 121-123° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06825199B2
Source datasetuspto-grants-2004_11
ORD IDord-0278c89dec224d7681a29fc4a19cbcfe
Source noteuspto-grants-2004_11