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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1013763Generated: October 30, 2026

Potassium Phosphate, Tribasic → 5-Methoxy-N-(4-(7-methoxy-1,5-naphthyridin-4-yloxy)phenyl)pyridazin-3-amine

https://huagongshe.com/reaction/1013763

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
Reactant3-Chloro-5-methoxypyridazineHCID 10975612—
Reactant4-(7-Methoxy-1,5-naphthyridin-4-yloxy)benzenamineHCID 44185106—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
SolventTolueneHCID 1140—
Product5-Methoxy-N-(4-(7-methoxy-1,5-naphthyridin-4-yloxy)phenyl)pyridazin-3-amineHCID 59427303—

Reaction Conditions

Temperature100 °C

Reaction Steps

A pyrex reaction tube was charged with potassium phosphate (88 mg, 415 μmol), Pd2dba3 (16 mg, 17 mmol), Xantphos (22 mg, 38 mmol), 4-(7-methoxy-1,5-naphthyridin-4-yloxy)benzenamine (92 mg, 346 μmol), 3-chloro-5-methoxypyridazine (50 mg, 346 μmol), and toluene (1 mL). The tube was purged with argon, sealed, and the mixture was heated at 100° C. for 4 h. LCMS showed complete conversion to desired product. The mixture was then concentrated and purified by silica gel chromatography using 0 to 60% (90/10/1 DCM/MeOH/ammonium hydroxide) in DCM. MS: M+H+=376.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07981891B2
Source datasetuspto-grants-2011_07
ORD IDord-23d258c4d60d4f1482a94be58e7bebec
Source noteuspto-grants-2011_07