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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2270224Generated: November 1, 2026

Sodium hydride → HCID 22632978, compound

https://huagongshe.com/reaction/2270224

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
Reactant2,4-Difluorophenyl isocyanateHCID 593258—
ReactantHCID 22632919HCID 22632919—
SolventDimethylacetamideHCID 31374—
ProductHCID 22632978HCID 2263297882.9%

Reaction Steps

Using the General Method 5, the reaction of N-benzyloxy-2,6-dichloro-5-fluoro-3-pyridinecarboxamide (Example M-2, 2.00 g, 6.34 mmol) and 60% NaH in oil (300 mg, 7.52 mmol) with 2,4-difluorophenyl isocyanate (1.13 mL, 9.51 mmol) in DMA afforded 2.28 g of the title compound as a solid, mp 215-216° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06331538B1
Source datasetuspto-grants-2001_12
ORD IDord-06d9c0848b2548f1946fbe7b4d5d1a3e
Source noteuspto-grants-2001_12