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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 433858Generated: November 2, 2026

Lithium Chloride → HCID 11731669, compound

https://huagongshe.com/reaction/433858

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium ChlorideHCID 433294—
ReactantHCID 11046011HCID 11046011—
ReactantHCID 11119677HCID 11119677—
CatalystHCID 178418397HCID 178418397—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 11731669HCID 11731669—

Reaction Steps

2-(2,6-Difluorophenyl)-4-(4-bromophenyl)oxazoline (VP4) (5.00 g, 14.8 mmol) was mixed with 2-ethoxy-5-trimethylstannylpyridine (VP8) (5.06 g, 17.8 mmol), Pd(PPh3)4 (0.68 g, 0.59 mmol) and lithium chloride (0.12 g, 2.9 mmol) in dioxane (40 ml) and the mixture was refluxed under nitrogen (7 hours). After extraction and chromatography, 2-(2,6-difluorophenyl)-4-[4-(2-ethoxypyridin-5-yl)phenyl]oxazoline was obtained, 3.86 g, m.p. 119° C.; 1H NMR (CDCl3, ppm): 1.42, 4.35, OCH2CH3; 4.40, 4.84, 5.51, oxazoline; 6.79, 7.77, 8.36, pyridine; 7.00, 7.41, 7.54, phenyl.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06670307B2
Source datasetuspto-grants-2003_12
ORD IDord-f0f2a31d54ef44728bc200e315dc0c04
Source noteuspto-grants-2003_12